Question

Степень окисления Br2, СaО, CuO, Cu2O, H2, KNO3, FeO, Fe, Fe2O3, Fe(OH)2, Fe2(SO4)3, N2, HCLO4.

Answer 1

1 0
2 +2 -2
3 +2 -2
4 +1 -2
5 0
6 +1 +5 -2
7 +2 -2
8 0
9 +3 -2
10 +2 -2 +1
11 +3 +2 -2
12 0
13 +1 +7 -2