Answers to Chapter 4 "Standardized Test Prep"

1. c    2. Don't do.    3. b    4. b    5. 9 Nitrogen-14 atoms since three Calcium - 42 atoms' mass is 126 amu and 126/14 = 9.    6. Don't do.    7. false, true    8. true, false    9. true, true, correct explanation