Fall+Reviews

= Fall Reviews Chapter 2 =  Multiple Choice: circle the best answer:             ||  10. Ice melting is a  <span style="line-height: normal; margin: 0in 0in 0pt 40.5pt; mso-layout-grid-align: none; mso-pagination: none;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> A) chemical change   <span style="line-height: normal; margin: 0in 0in 0pt 40.5pt; mso-layout-grid-align: none; mso-pagination: none;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> B) physical change <span style="line-height: normal; margin: 0in 0in 0pt 40.5pt; mso-layout-grid-align: none; mso-pagination: none;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> C) both  <span style="line-height: normal; margin: 0in 0in 0pt 40.5pt; mso-layout-grid-align: none; mso-pagination: none;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> D) neither <span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="line-height: normal; margin: 0in 0in 0pt 40.5pt; mso-layout-grid-align: none; mso-pagination: none; text-indent: -39pt;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> A) chemical change  <span style="line-height: normal; margin: 0in 0in 0pt 40.5pt; mso-layout-grid-align: none; mso-pagination: none; text-indent: -39pt;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> B) physical change <span style="line-height: normal; margin: 0in 0in 0pt 40.5pt; mso-layout-grid-align: none; mso-pagination: none; text-indent: -39pt;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> C) both  <span style="line-height: normal; margin: 0in 0in 0pt 40.5pt; mso-layout-grid-align: none; mso-pagination: none; text-indent: -39pt;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> D) neither <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;">  || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: none; text-indent: 22.5pt;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> 12. The steam coming from the road on a hot day after a rain storm is  <span style="line-height: normal; margin: 0in 0in 0pt 40.5pt; mso-layout-grid-align: none; mso-pagination: none;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> A) chemical change   <span style="line-height: normal; margin: 0in 0in 0pt 40.5pt; mso-layout-grid-align: none; mso-pagination: none;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> B) physical change <span style="line-height: normal; margin: 0in 0in 0pt 40.5pt; mso-layout-grid-align: none; mso-pagination: none;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> C) both  <span style="line-height: normal; margin: 0in 0in 0pt 40.5pt; mso-layout-grid-align: none; mso-pagination: none;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> D) neither <span style="line-height: normal; margin: 0in 0in 0pt 40.5pt; mso-layout-grid-align: none; mso-pagination: none;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="line-height: normal; margin: 0in 0in 0pt 40.5pt; mso-layout-grid-align: none; mso-pagination: none; text-indent: -0.25in;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> 13. A student, not following lab rules, is playing with the striker in lab and catches his lab paper on fire. This is a  <span style="line-height: normal; margin: 0in 0in 0pt 40.5pt; mso-layout-grid-align: none; mso-pagination: none;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> A) chemical change   <span style="line-height: normal; margin: 0in 0in 0pt 40.5pt; mso-layout-grid-align: none; mso-pagination: none;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> B) physical change <span style="line-height: normal; margin: 0in 0in 0pt 40.5pt; mso-layout-grid-align: none; mso-pagination: none;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> C) both  <span style="line-height: normal; margin: 0in 0in 0pt 40.5pt; mso-layout-grid-align: none; mso-pagination: none;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> D) neither <span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: none; text-indent: 22.5pt;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> 14. A milliliter is equal to a  <span style="line-height: normal; margin: 0in 0in 0pt 40.5pt; mso-layout-grid-align: none; mso-pagination: none;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> A) cm3   <span style="line-height: normal; margin: 0in 0in 0pt 40.5pt; mso-layout-grid-align: none; mso-pagination: none;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> B) m3   <span style="line-height: normal; margin: 0in 0in 0pt 40.5pt; mso-layout-grid-align: none; mso-pagination: none;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> C) L3   <span style="line-height: normal; margin: 0in 0in 0pt 40.5pt; mso-layout-grid-align: none; mso-pagination: none;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> D) none of the above <span style="line-height: normal; margin: 0in 0in 0pt 40.5pt; mso-layout-grid-align: none; mso-pagination: none;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="line-height: normal; margin: 0in 0in 0pt 40.5pt; mso-layout-grid-align: none; mso-pagination: none; text-indent: -0.25in;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> 15. A conversion factor is  <span style="line-height: normal; margin: 0in 0in 0pt 40.5pt; mso-layout-grid-align: none; mso-pagination: none;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> A) equal to 1   <span style="line-height: normal; margin: 0in 0in 0pt 40.5pt; mso-layout-grid-align: none; mso-pagination: none;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> B) exactly the same on the top and bottom of the fraction <span style="line-height: normal; margin: 0in 0in 0pt 40.5pt; mso-layout-grid-align: none; mso-pagination: none;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> C) a way of changing between base units  <span style="line-height: normal; margin: 0in 0in 0pt 40.5pt; mso-layout-grid-align: none; mso-pagination: none;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> D) none of the above <span style="line-height: normal; margin: 0in 0in 0pt 40.5pt; mso-layout-grid-align: none; mso-pagination: none; text-indent: -0.25in;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="line-height: normal; margin: 0in 0in 0pt 40.5pt; mso-layout-grid-align: none; mso-pagination: none; text-indent: -40.5pt;"> Short answer/essay: completely answer each question. <span style="line-height: normal; margin: 0in 0in 0pt 40.5pt; mso-layout-grid-align: none; mso-pagination: none;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;">  || <span style="line-height: normal; margin: 0in 0in 0pt 40.5pt; mso-layout-grid-align: none; mso-pagination: none; text-indent: -40.5pt;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="line-height: normal; margin: 0in 0in 0pt 40.5pt; mso-layout-grid-align: none; mso-pagination: none; text-indent: -40.5pt;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="line-height: normal; margin: 0in 0in 0pt 40.5pt; mso-layout-grid-align: none; mso-pagination: none; text-indent: -40.5pt;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="line-height: normal; margin: 0in 0in 0pt 40.5pt; mso-layout-grid-align: none; mso-pagination: none; text-indent: -40.5pt;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="line-height: normal; margin: 0in 0in 0pt 40.5pt; mso-layout-grid-align: none; mso-pagination: none; text-indent: -40.5pt;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="line-height: normal; margin: 0in 0in 0pt 40.5pt; mso-layout-grid-align: none; mso-pagination: none; text-indent: -40.5pt;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="line-height: normal; margin: 0in 0in 0pt 40.5pt; mso-layout-grid-align: none; mso-pagination: none; text-indent: -40.5pt;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="line-height: normal; margin: 0in 0in 0pt 40.5pt; mso-layout-grid-align: none; mso-pagination: none; text-indent: -40.5pt;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;">  || <span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="line-height: normal; margin: 0in 0in 0pt 22.5pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid; text-indent: -22.5pt;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> 18. In the case study, why couldn't Pitera claim that the soil samples on the shovel were from his yard? <span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> 19. How can estimating the last digit on a measurement provide you with a more accurate value? <span style="line-height: normal; margin: 0in 0in 0pt 0.25in; mso-layout-grid-align: none; mso-pagination: none; text-indent: -13.5pt;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> 20. Explain how the scientific method is used to solve problems and why so many different professions use the scientific method <span style="line-height: normal; margin: 0in 0in 0pt 0.25in; mso-layout-grid-align: none; mso-pagination: none; text-indent: -13.5pt;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="line-height: normal; margin: 0in 0in 0pt 0.25in; mso-layout-grid-align: none; mso-pagination: none; text-indent: -13.5pt;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="line-height: normal; margin: 0in 0in 0pt 0.25in; mso-layout-grid-align: none; mso-pagination: none; text-indent: -13.5pt;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="line-height: normal; margin: 0in 0in 0pt 0.25in; mso-layout-grid-align: none; mso-pagination: none; text-indent: -13.5pt;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="line-height: normal; margin: 0in 0in 0pt 0.25in; mso-layout-grid-align: none; mso-pagination: none; text-indent: -13.5pt;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="line-height: normal; margin: 0in 0in 0pt 0.25in; mso-layout-grid-align: none; mso-pagination: none; text-indent: -13.5pt;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="line-height: normal; margin: 0in 0in 0pt 0.25in; mso-layout-grid-align: none; mso-pagination: none; text-indent: -13.5pt;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="line-height: normal; margin: 0in 0in 0pt 0.25in; mso-layout-grid-align: none; mso-pagination: none; text-indent: -13.5pt;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="line-height: normal; margin: 0in 0in 0pt 0.25in; mso-layout-grid-align: none; mso-pagination: none; text-indent: -13.5pt;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="line-height: normal; margin: 0in 0in 0pt 0.25in; mso-layout-grid-align: none; mso-pagination: none; text-indent: -13.5pt;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="line-height: normal; margin: 0in 0in 0pt 0.25in; mso-layout-grid-align: none; mso-pagination: none; text-indent: -13.5pt;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> Problems: Show all work in solving the following. Be sure to use significant figures and units of measure in all answers. Circle your final answer<span style="font-family: 'Times New Roman','serif'; font-size: 12pt;">. <span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> 20 gitz = 0.5 bits, 14 bits = 10 mots, and 1 well= 23 mots. || <span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="line-height: normal; margin: 0in 0in 0pt 15pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid; text-indent: -13.5pt;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> b. Most states are adopting a blood alcohol content (BAC) of 0.08 g/dL as the legal limit. What would the BAC be in g/mL? <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;">. || <span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> a. 9.2 kg = ______________ cg  <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: widow-orphan lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> b. 5.0x103 μL = __________________ dL  <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> c. 345.67 kg/day = ___________________ mg/s  || <span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> 24. What is the mass of a metal with a density of 19.980 g/mL and a volume of 4.15 mL? <span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> mass volume water + metal <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> trial 1 48.5 g 15.8 mL  <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> trial 2 15.6 g 11.8 mL   <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> trial 3 54.2g 17.1 mL   <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> trial 4 27.5g 13.5mL <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> Graph the data as mass vs volume, draw a best fit line and based on the graph identify the metal explaining your answer. <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;">  ||
 * <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid; text-align: right;"> <span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> 1.   |||| <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> Which of the following does the scientific method utilize?   ||
 * || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> A)  || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="color: black; font-family: 'Times New Roman','serif'; font-size: 12pt;">developing a scientific law <span style="font-family: 'Times New Roman','serif'; font-size: 12pt;">  ||
 * || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> B)  || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> forming a hypothesis   ||
 * || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> C)  || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> testing the hypothesis   ||
 * || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> D)  || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="color: black; font-family: 'Times New Roman','serif'; font-size: 12pt;">a & b <span style="font-family: 'Times New Roman','serif'; font-size: 12pt;">  ||
 * || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> E)  || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> b & c   ||
 * || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> F)  || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> none of the above   ||
 * <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid; text-align: right;"> <span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> 2.   |||| <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> Which of the following is a physical property?   ||
 * || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> A)  || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> Rusting    ||
 * || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> B)  || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> Corrosion   ||
 * || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> C)  || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> Density   ||
 * || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> D)  || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> Color change   ||
 * <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid; text-align: right;"> <span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> 3.   |||| <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> The number 30,000 has how many significant figures?   ||
 * || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> A)  || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="color: black; font-family: 'Times New Roman','serif'; font-size: 12pt;">unlimited <span style="font-family: 'Times New Roman','serif'; font-size: 12pt;">  ||
 * || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> B)  || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="color: black; font-family: 'Times New Roman','serif'; font-size: 12pt;">1 <span style="font-family: 'Times New Roman','serif'; font-size: 12pt;">  ||
 * || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> C)  || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> 3   ||
 * || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> D)  || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="color: black; font-family: 'Times New Roman','serif'; font-size: 12pt;">5 <span style="font-family: 'Times New Roman','serif'; font-size: 12pt;">  ||
 * <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid; text-align: right;"> <span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> 4.   |||| <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> The number 15.0 has how many significant figures?   ||
 * || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> A)  || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> 2   ||
 * || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> B)  || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> 3   ||
 * || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> C)  || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> 1   ||
 * || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> D)  || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> 4   ||
 * <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid; text-align: right;"> <span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> 5.   |||| <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> How many significant figures does the number 53.120 have?   ||
 * || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> A)  || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> 3   ||
 * || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> B)  || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> 4   ||
 * || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> C)  || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> 5   ||
 * || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> D)  || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> 6   ||
 * <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid; text-align: right;"> <span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> 6.   |||| <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> How many significant figures should the answer to this question have: 14.1 + 1.079 =   ||
 * || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> A)  || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> 2   ||
 * || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> B)  || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> 3   ||
 * || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> C)  || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> 4   ||
 * || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> D)  || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> 5   ||
 * <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid; text-align: right;"> <span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> 7.   |||| <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"> <span style="font-family: 'Times New Roman','serif'; font-size: 12pt;">Using the correct number of significant figures, the answer to 20 ´ <span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> 23.4119 is    ||
 * || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> A)  || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> 468.238   ||
 * || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> B)  || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> 468.2380   ||
 * || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> C)  || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> 470   ||
 * || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> D)  || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> 500   ||
 * <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid; text-align: right;"> <span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> 8.   |||| <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> Which of the following represent three measurements that are the least precise?   ||
 * || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> A)  || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> 2.34, 2.40, and 2.37   ||
 * || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> B)  || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> 14.2, 14.1, and 14.3   ||
 * || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> C)  || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> 3.45, 45.3, and 13.1   ||
 * || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> D)  || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> 35.2, 35.5, and 35.4   ||
 * <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid; text-align: right;"> <span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> 9.   |||| <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> If a sample has a mass of 2.370 g, which of the following readings is most accurate?   ||
 * || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> A)  || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> 2.330 g   ||
 * || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> B)  || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> 2.368 g   ||
 * || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> C)  || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> 2.450 g   ||
 * || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> D)  || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> 2.373 g
 * <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid; text-align: right;"> <span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> 11.   || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: none; text-indent: 1.5pt;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> A battery corroding is a
 * <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid; text-align: right;"> <span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> 16.   || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="color: black; font-family: 'Times New Roman','serif'; font-size: 12pt;">List 3 characteristics that allow an investigator to know what is relevant data. <span style="font-family: 'Times New Roman','serif'; font-size: 12pt;">
 * <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid; text-align: right;"> <span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> 17.   || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> When a gun is fired, gunpowder makes carbon dioxide, water vapor, nitrogen gas, and carbon monoxide which eject the bullet from the barrel. Is the firing of a gun, a chemical or physical property?
 * <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid; text-align: right;"> <span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> 21.   || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> How many gitz would you have if you start with 1.02 x 103 futz? 1 futz = 50 wells,
 * <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid; text-align: right;"> <span style="font-family: 'Times New Roman','serif'; font-size: 12pt;">   || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;">   ||
 * <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid; text-align: right;"> <span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> 22.   || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> a. How many micrograms are there in 24.52 g?
 * <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid; text-align: right;"> <span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> 23.   || <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> Show all work:
 * <span style="line-height: normal; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid; text-align: right;"> <span style="font-family: 'Times New Roman','serif'; font-size: 12pt;">   || <span style="line-height: normal; margin: 0in 0in 0pt 24pt; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid; text-indent: -27pt;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;"> 25. A student runs a lab and collects the following data. The student used water displacement and always started with 10.0 mL of water. The student knows that his metal is either aluminum which has a density of 2.70g/mL, brass which has density of 8.44 g/mL, lead which has a density of 11.34 g/mL, or zinc which has a density of 7.04 g/mL.

Chapter 1
<span style="color: #000000; font-family: 'Times New Roman','serif';">Multiple choice: choose the best answer

<span style="display: block; margin: 0in 0in 0pt 0.75in; mso-layout-grid-align: none; mso-list: l27 level1 lfo2; mso-pagination: none; text-indent: -0.25in;"> a) Always ask if you are unsure about a step <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-layout-grid-align: none; mso-list: l27 level1 lfo2; mso-pagination: none; text-indent: -0.25in;"> b) Get started immediately <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-layout-grid-align: none; mso-list: l27 level1 lfo2; mso-pagination: none; text-indent: -0.25in;"> c) Wait until Mrs Shirley gives any final directions and tells you to start <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-layout-grid-align: none; mso-list: l27 level1 lfo2; mso-pagination: none; text-indent: -0.25in;"> d) Have on your apron and goggles before getting the necessary materials from Mrs. Shirley.
 * 1) <span style="display: block; mso-layout-grid-align: none; mso-list: l12 level1 lfo1; mso-pagination: none;"> Circle the false statement. When working on a lab, you should

<span style="color: #000000; font-family: 'Times New Roman','serif';">2. Elements that react with each other form <span style="font-family: 'Times New Roman','serif'; font-size: 12pt;">a. <span style="font-family: 'Times New Roman','serif';">isotopes <span style="font-family: 'Times New Roman','serif'; font-size: 12pt;">b. <span style="font-family: 'Times New Roman','serif';">decay products <span style="font-family: 'Times New Roman','serif'; font-size: 12pt;">c. <span style="font-family: 'Times New Roman','serif';">mixtures <span style="font-family: 'Times New Roman','serif'; font-size: 12pt;">d. <span style="font-family: 'Times New Roman','serif';">compounds

<span style="display: block; margin: 0in 0in 0pt 0.5in; mso-layout-grid-align: none; mso-list: l12 level1 lfo1; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> 3. Which of the following atomic symbols represent the coinage metals, copper, silver, and gold? <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l20 level1 lfo4; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> a. Co, Ag, and Au <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l20 level1 lfo4; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> b. Cu, Ag, and Ga  <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l20 level1 lfo4; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> c. Cu, Ag, and Au  <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l20 level1 lfo4; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> d. C, Ag, and Au

<span style="color: #000000; font-family: 'Times New Roman','serif';">4. Which series of elements are nonmetals?
 * <span style="display: block; margin: 0in 0in 0pt 46.5pt; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l7 level1 lfo5; mso-pagination: lines-together; page-break-after: avoid; text-indent: -13.5pt;"> a. tungsten, silicon, and chlorine ||
 * <span style="display: block; margin: 0in 0in 0pt 46.5pt; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l7 level1 lfo5; mso-pagination: lines-together; page-break-after: avoid; text-indent: -13.5pt;"> b. tungsten, sulfur, and silver ||
 * <span style="display: block; margin: 0in 0in 0pt 46.5pt; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l7 level1 lfo5; mso-pagination: lines-together; page-break-after: avoid; text-indent: -13.5pt;"> c. germanium, arsenic, and sulfur ||
 * <span style="display: block; margin: 0in 0in 0pt 46.5pt; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l7 level1 lfo5; mso-pagination: lines-together; page-break-after: avoid; text-indent: -13.5pt;"> d. Neon, fluorine, and carbon ||

<span style="color: #000000; font-family: 'Times New Roman','serif';">5. Which of the following is considered matter?
 * <span style="display: block; margin: 0in 0in 0pt 46.5pt; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l21 level1 lfo6; mso-pagination: lines-together; page-break-after: avoid; text-indent: -13.5pt;"> a. a plant ||
 * <span style="display: block; margin: 0in 0in 0pt 46.5pt; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l21 level1 lfo6; mso-pagination: lines-together; page-break-after: avoid; text-indent: -13.5pt;"> b. tungsten ||
 * <span style="display: block; margin: 0in 0in 0pt 46.5pt; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l21 level1 lfo6; mso-pagination: lines-together; page-break-after: avoid; text-indent: -13.5pt;"> c. copper ||
 * <span style="display: block; margin: 0in 0in 0pt 46.5pt; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l21 level1 lfo6; mso-pagination: lines-together; page-break-after: avoid; text-indent: -13.5pt;"> d. all of the above ||

<span style="display: block; margin: 0in 0in 0pt 0.5in; mso-layout-grid-align: none; mso-list: l12 level1 lfo1; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> 6. In lab, if you want to accurately measure a liquid, you should use a(n) <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l22 level1 lfo7; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> a. Beaker <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l22 level1 lfo7; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> b. Graduated cylinder <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l22 level1 lfo7; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> c. Erlenmeyer flask <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l22 level1 lfo7; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> d. Test tube

<span style="display: block; margin: 0in 0in 0pt 55.5pt; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l3 level1 lfo25; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> a. They conduct both heat and electricity but not very well. <span style="display: block; margin: 0in 0in 0pt 55.5pt; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l3 level1 lfo25; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> b. They somewhat conduct heat but not electricity. <span style="display: block; margin: 0in 0in 0pt 55.5pt; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l3 level1 lfo25; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> c. They conduct neither heat nor electricity. <span style="display: block; margin: 0in 0in 0pt 55.5pt; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l3 level1 lfo25; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> d. They conduct a little electricity but not heat.
 * 7. What are two of the properties of metalloids?
 * 7. What are two of the properties of metalloids?

<span style="display: block; margin: 0in 0in 0pt 0.5in; mso-layout-grid-align: none; mso-list: l15 level1 lfo27; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> 8. Which of the following would be used to separate a mixture? <span style="display: block; margin: 0in 0in 0pt 0.5in; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"> a. chromatography <span style="display: block; margin: 0in 0in 0pt 0.5in; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"> b. evaporation <span style="display: block; margin: 0in 0in 0pt 0.5in; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"> c. distillation <span style="display: block; margin: 0in 0in 0pt 0.5in; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid;"> d. all of the above

<span style="display: block; margin: 0in 0in 0pt 0.5in; mso-layout-grid-align: none; mso-list: l17 level1 lfo26; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> 9. What is the formula for sodium phosphate which has 3 sodium, 1 phosphorous, and 3 oxygen atoms? <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l2 level1 lfo8; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> a. S3PO3 <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l2 level1 lfo8; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> b. Na3PO3 <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l2 level1 lfo8; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> c. NaP3O3 <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l2 level1 lfo8; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> d. SP3O3

<span style="display: block; margin: 0in 0in 0pt 0.5in; mso-layout-grid-align: none; mso-list: l17 level1 lfo26; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> 10. An oil and vinegar salad dressing with herbs is <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l24 level1 lfo9; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> a. A compound <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l24 level1 lfo9; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> b. A homogeneous mixture <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l24 level1 lfo9; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> c. A heterogeneous mixture <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l24 level1 lfo9; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> d. An element

<span style="display: block; margin: 0in 0in 0pt 0.5in; mso-layout-grid-align: none; mso-list: l17 level1 lfo26; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> 11. The symbol for the element platinum is <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l32 level1 lfo10; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> a. P  <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l32 level1 lfo10; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> b. Pl  <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l32 level1 lfo10; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> c. Pt  <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l32 level1 lfo10; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> d. Pn

<span style="display: block; margin: 0in 0in 0pt 0.5in; mso-layout-grid-align: none; mso-list: l17 level1 lfo26; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> 12. The symbol for the first element in group 16 is <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l31 level1 lfo11; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> a. O  <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l31 level1 lfo11; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> b. N  <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l31 level1 lfo11; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> c. F  <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l31 level1 lfo11; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> d. S

<span style="display: block; margin: 0in 0in 0pt 0.5in; mso-layout-grid-align: none; mso-list: l17 level1 lfo26; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> 13. Distillation is used to separate _ __based on__ _ <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l1 level1 lfo12; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> a. Compounds, freezing points <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l1 level1 lfo12; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> b. Mixtures, boiling points <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l1 level1 lfo12; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> c. Compounds, boiling points <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l1 level1 lfo12; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> d. Mixtures, freezing points

<span style="display: block; margin: 0in 0in 0pt 0.5in; mso-layout-grid-align: none; mso-list: l17 level1 lfo26; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> 14. Matter <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l4 level1 lfo13; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> a. Has mass <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l4 level1 lfo13; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> b. Takes up space <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l4 level1 lfo13; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> c. Has mass and takes up space <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l4 level1 lfo13; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> d. Has mass, takes up space and makes up only the metals

<span style="display: block; margin: 0in 0in 0pt 0.5in; mso-layout-grid-align: none; mso-list: l17 level1 lfo26; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> 15. A pure substance is <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l16 level1 lfo14; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> a. A compound <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l16 level1 lfo14; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> b. An element <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l16 level1 lfo14; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> c. A mixture <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l16 level1 lfo14; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> d. A compound or an element

<span style="display: block; margin: 0in 0in 0pt 0.5in; mso-layout-grid-align: none; mso-list: l17 level1 lfo26; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> 16. Which of the following is a metal? <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l0 level1 lfo15; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> a. Al <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l0 level1 lfo15; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> b. Si  <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l0 level1 lfo15; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> c. Te  <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l0 level1 lfo15; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> d. Xe

<span style="display: block; margin: 0in 0in 0pt 0.5in; mso-layout-grid-align: none; mso-list: l17 level1 lfo26; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> 17. Which of the following represents the states of matter from least energy to most energy? <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l23 level1 lfo16; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> a. Gas, liquid, solid <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l23 level1 lfo16; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> b. Liquid, gas, solid <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l23 level1 lfo16; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> c. Solid, liquid, gas <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l23 level1 lfo16; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> d. Solid, gas, liquid

<span style="display: block; margin: 0in 0in 0pt 0.5in; mso-layout-grid-align: none; mso-list: l17 level1 lfo26; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> 18. W is the symbol for <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l13 level1 lfo17; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> a. Tungsten <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l13 level1 lfo17; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> b. Water <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l13 level1 lfo17; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> c. Mercury <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l13 level1 lfo17; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> d. Tantalum

<span style="display: block; margin: 0in 0in 0pt 0.5in; mso-layout-grid-align: none; mso-list: l17 level1 lfo26; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> 19. Tin has the symbol <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l26 level1 lfo18; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> a. T <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l26 level1 lfo18; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> b. St  <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l26 level1 lfo18; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> c. Tn  <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l26 level1 lfo18; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> d. Sn

<span style="display: block; margin: 0in 0in 0pt 0.5in; mso-layout-grid-align: none; mso-list: l17 level1 lfo26; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> 20. You need to fill a beaker with water. What do you do first? <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l30 level1 lfo19; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> a. Turn the water on and immediately put the beaker under the flow <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l30 level1 lfo19; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> b. Put the beaker under the faucet and then turn on the water <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l30 level1 lfo19; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> c. Turn the water on, adjust the flow to a low level, and then put the beaker under the water <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l30 level1 lfo19; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> d. It really doesn’t matter what you do first

<span style="display: block; margin: 0in 0in 0pt 0.5in; mso-layout-grid-align: none; mso-list: l17 level1 lfo26; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> 21. Which of the following is an element? <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l10 level1 lfo20; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> a. copper <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l10 level1 lfo20; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> b. nitrogen dioxide <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l10 level1 lfo20; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> c. brass <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l10 level1 lfo20; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> d. air

<span style="display: block; margin: 0in 0in 0pt 0.5in; mso-layout-grid-align: none; mso-list: l17 level1 lfo26; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> 22. Glucose, C6H12O6, is a(n) <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l9 level1 lfo21; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> a. Element <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l9 level1 lfo21; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> b. Compound <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l9 level1 lfo21; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> c. Homogeneous mixture <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l9 level1 lfo21; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> d. Heterogeneous mixture

<span style="display: block; margin: 0in 0in 0pt 0.5in; mso-layout-grid-align: none; mso-list: l17 level1 lfo26; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> 23. Salt water is a(n) <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l19 level1 lfo22; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> a. Element <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l19 level1 lfo22; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> b. Compound <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l19 level1 lfo22; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> c. Homogeneous mixture <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l19 level1 lfo22; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> d. Heterogeneous mixture

<span style="display: block; margin: 0in 0in 0pt 0.5in; mso-layout-grid-align: none; mso-list: l17 level1 lfo26; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> 24. Which of the following have constant or set shape <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l28 level1 lfo23; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> a. Solid <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l28 level1 lfo23; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> b. Liquid <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l28 level1 lfo23; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> c. Gas <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l28 level1 lfo23; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> d. A and B <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l28 level1 lfo23; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> e. A and C

<span style="display: block; margin: 0in 0in 0pt 0.5in; mso-layout-grid-align: none; mso-list: l17 level1 lfo26; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> 25. A beaker <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l29 level1 lfo29; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> a. Is the same size top to bottom <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l29 level1 lfo29; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> b. Is used to hold liquids <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l29 level1 lfo29; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> c. Changes color when heated <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l29 level1 lfo29; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> d. A and B <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l29 level1 lfo29; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> e. All of the above

<span style="display: block; margin: 0in 0in 0pt 0.5in; mso-layout-grid-align: none; mso-list: l17 level1 lfo26; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> 26. An Erlenmeyer Flask is <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l14 level1 lfo30; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> a. Wide at the bottom and narrow at the top <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l14 level1 lfo30; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> b. Is the same size top to bottom <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l14 level1 lfo30; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> c. Is used for swirling liquids <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l14 level1 lfo30; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> d. A and C <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l14 level1 lfo30; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> e. All of the above

<span style="display: block; margin: 0in 0in 0pt 0.5in; mso-layout-grid-align: none; mso-list: l17 level1 lfo26; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> 27. Alchemy <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l18 level1 lfo31; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> a. Is the science concerned with changing metal into gold <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l18 level1 lfo31; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> b. Is the science concerned with changing plants to gold <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l18 level1 lfo31; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> c. Is the science concerned with changing copper to silver <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l18 level1 lfo31; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> d. Is the science concerned with changing wood to silver

<span style="display: block; margin: 0in 0in 0pt 0.5in; mso-layout-grid-align: none; mso-list: l17 level1 lfo26; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> 28. The first woman chemist was <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l6 level1 lfo32; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> a. Menton <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l6 level1 lfo32; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> b. Cleopatra <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l6 level1 lfo32; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> c. Moseley <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l6 level1 lfo32; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> d. Curie

<span style="display: block; margin: 0in 0in 0pt 0.5in; mso-layout-grid-align: none; mso-list: l17 level1 lfo26; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> 29. Forensics uses _ science disciplines and _ is the core science <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l8 level1 lfo28; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> a. A few, physiology <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l8 level1 lfo28; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> b. Most, biology <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l8 level1 lfo28; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> c. All, chemistry <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l8 level1 lfo28; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> d. All, physics

<span style="display: block; margin: 0in 0in 0pt 0.5in; mso-layout-grid-align: none; mso-list: l17 level1 lfo26; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> 30. The smallest unit of a molecular compound is <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l25 level1 lfo24; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> a. An atom <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l25 level1 lfo24; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> b. An element <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l25 level1 lfo24; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> c. A molecule <span style="display: block; margin: 0in 0in 0pt 0.75in; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l25 level1 lfo24; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> d. A compound

Short answer/essay: thoroughly answer each question, using complete sentences where appropriate. Don’t forget to answer all parts.

<span style="display: block; margin: 0in 0in 0pt 0.5in; mso-layout-grid-align: none; mso-list: l17 level1 lfo26; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> 31. Discuss the case study and explain how it relates to this unit.

<span style="display: block; margin: 0in 0in 0pt 0.5in; mso-layout-grid-align: none; mso-list: l17 level1 lfo26; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> 32. Define matter and discuss the two types of matter.

<span style="display: block; margin: 0in 0in 0pt 0.5in; mso-layout-grid-align: none; mso-list: l17 level1 lfo26; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> 33. Describe two different ways to separate a homogeneous mixture.

<span style="display: block; margin: 0in 0in 0pt 0.5in; mso-layout-grid-align: none; mso-list: l17 level1 lfo26; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> 34. List 5 lab safety rules.

<span style="display: block; margin: 0in 0in 0pt 0.5in; mso-layout-grid-align: none; mso-list: l17 level1 lfo26; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> 35. Discuss the periodic table. Include Mendeleev, Moseley, periods, groups, metals, metalloids, and nonmetals.

<span style="display: block; margin: 0in 0in 0pt 0.5in; mso-layout-grid-align: none; mso-list: l17 level1 lfo26; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> 36. During your experiment you accidently mix alcohol which has a boiling point of 62oC with water. You need pure alcohol and there is no more in the supply cabinet. How would you separate the alcohol and the water?

<span style="display: block; margin: 0in 0in 0pt 0.5in; mso-layout-grid-align: none; mso-list: l17 level1 lfo26; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> 37. Wind is not matter. Can you experience wind without matter? Why or why not?

<span style="display: block; margin: 0in 0in 0pt 0.5in; mso-layout-grid-align: none; mso-list: l17 level1 lfo26; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> 38. Write the formula for dinitrogen pentaoxide if there are 2 nitrogen atoms and 5 oxygen atoms.

<span style="display: block; margin: 0in 0in 0pt 0.5in; mso-layout-grid-align: none; mso-list: l17 level1 lfo26; mso-pagination: lines-together; page-break-after: avoid; text-indent: -0.25in;"> 39. What is the least abundant type of elements on the periodic table?

<span style="display: block; margin: 0in 0in 0pt 0.5in; mso-layout-grid-align: none; mso-pagination: lines-together; page-break-after: avoid; text-indent: -22.5pt;"> 40. Based on the following information, predict the unknown element and its missing characteristics. ||  ||

<span style="display: block; line-height: 150%; margin: 0in 0in 0pt 55.5pt; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l5 level1 lfo33; mso-pagination: none; tab-stops: 66.0pt; text-indent: -4.5pt;"> A. Element:…………..Mg C. Element:…………..

<span style="display: block; line-height: 150%; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: none; tab-stops: 66.0pt;"> Physical state:……..solid Physical state:…….._ <span style="display: block; line-height: 150%; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: none; tab-stops: 66.0pt;"> Density:……………1.74 g/cm3 Density:……………g/cm3

<span style="display: block; line-height: 150%; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: none; tab-stops: 66.0pt;"> Melting Point:……...651oC Melting Point:……...__oC__ <span style="display: block; line-height: 150%; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: none; tab-stops: 66.0pt;"> Reactivity:………….some Reactivity:…………. <span style="display: block; line-height: 150%; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: none; tab-stops: 66.0pt;"> Color:………………silvery white Color:………………__

<span style="display: block; margin: 0in 0in 0pt 84pt; mso-add-space: auto; mso-layout-grid-align: none; mso-list: l5 level1 lfo33; mso-pagination: none; tab-stops: 66.0pt; text-indent: -33pt;"> B. Element:…………..Ca D. Element:…………..Ba <span style="display: block; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: none; tab-stops: 66.0pt;"> Physical state:……..solid Physical state:……..solid <span style="display: block; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: none; tab-stops: 66.0pt;"> Density:……………1.57 g/cm3 Density:……………3.6g/cm3 <span style="display: block; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: none; tab-stops: 66.0pt;"> Melting Point:……...845oC Melting Point:……...710 oC <span style="display: block; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: none; tab-stops: 66.0pt;"> Reactivity:………….some Reactivity:…………. strong <span style="display: block; margin: 0in 0in 0pt; mso-layout-grid-align: none; mso-pagination: none; tab-stops: 66.0pt;"> Color:………………silvery white Color:………………silvery white