PLEASE HELP!

Spell the name of the following ions correctly:

1. NO2^1-
2.CO3^2-
3.ClO3^1-
4.OH^1-
5.PO4^3-
6.NH4^1+
7.SO4^2-
8.CN1-
9.CH3COO^1-
10.O2^2-
11.NO3^1-
12.IO3^1-
13.MnO4^1-
14.CIO2^1-
15.O2^2-