Checking answers on chemistry study guide real important test tomorrow?

Question

Name these ions or give the ion's formula:
1) _______ o2^2-
2) _______ HCOO^1-
3)_______ferrous
4)_______ plumbic
5)_______ oxalate
6)_______Hg^2+ (old)
7)_______S2O3^2-
8)_______CH3COO^1-
9)_______hyponitrite
10)______OH^1-
11)______ammonium
12)______ClO2^1-
13)______tin(IV)
14_______perbromate

Please show me how you got yours answers that does ot match up with mine.

sorry wrong page never mind

Answer 1

1) Peroxide
2) Formate
3) Fe2+
4) Pb4+
5) C2O4=
6) Incomprehensible
7) Thiosulfate
8) Acetate
10) Hydroxide
11) NH4+
12) Chlorite
13) Stannic
14BrO4-