1. Note: If the cation has a Roman numeral, you MUST include the correct Roman numeral!

2. phosphate PO 4  3

3. sulfuric acid H 2 SO 4

4. bromide Br  1

5. iodide I  1

6. Hg +2 mercury (II)

7. Ag +1 silver

8. tin (IV) Sn +4

9. Au +1 gold (I)

10. sulfite SO 3  2

11. Pb +4 lead (IV)

12. SO 4  2 sulfate

13. mercury (I) Hg 2 +2

14. PO 4  3 phosphate

15. Pb +2 lead (II)

16. phosphoric acid H 3 PO 4

17. silver Ag +1

18. Br  1 bromide

19. lead (II) Pb +2

20. tin (II) Sn +2

21. I 1I 1 iodide

22. mercury (II) Hg +2

23. Sn +2 tin (II)

24. H 2 SO 4 sulfuric acid

25. gold (I) Au +1

26. Hg 2 +2 mercury (I)

27. sulfate SO 4  2

28. lead (IV) Pb +4

29. SO 3  2 sulfite

30. Sn +4 tin (IV)

31. H 3 PO 4 phosphoric acid