Answer 1

1. C. Linus Pauling

2. C. chemistry

3. A. atom

4. D. protons, neutrons and electrons

5. B. positively

6. A. negatively

7. C. uncharged

8. D. carries a charge

9. C. Au

10. D. protons in the nucleus

11. A. atoms

12. B. the pull of gravity on matter

13. C. protons

14. C. 112

15. C. symbols

16. D. compounds

17. C. sodium chloride salt

18. C. solids, liquids, and gases

19. A. the gaseous state

20. C. a number and a unit

21. B. the weight of an object

22. D. 1,000

23. C. 100

24. B. uncertain

25. D. 4

26. A. 1

27.C. 2.26 x 102

28. C. 5 x 10-3

29. C. atomic number

30. A. 5 g/cm3

31. D. temperature

32. C. meter

33. B. 2.2