2. Octet Rule

3. Coefficients

4. 7

5. Isotopes

6. Atomic Number

7. Ionic

8. Base

9. Nucleus

10. Ions

11. Mass Number

12. Surface Tension Creeps up thin tubes (capillary action) Expands when freezes

13. Nucleus; neutral

14. pH

15. Acid

16. Covalent

17. Subscripts

18. Law of Conservation of Matter

19. Compound

20. 0-6

21. Nucleus; Positive

22. Polar

23. Atom

24. element

25. An atom makes up an element Elements cant be broken down

26. Electron cloud; negative

27. 8-14

28. Nuclear SymbolProtonsNeutronsElectrons N-13 911 K-40 77 6 9 192119 F-20

29. 16P 17 N 2e- 8e- 6e-