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Chemistry, 05.05.2020 05:20 Jessieileen

What is the oxidation number of
1. Se in CaSeO4
2.Se in H2Se
3.br in BrO3(-1)
4.P in NaH2PO4
5.cu in Cu(NO3) 2
6.S in SO4(-2)
7.S in K2S2O3
8. AL(+3)
9.N in NH3
10. zn in ZnCl2
11.O in H3O(+1)

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You know the right answer?
What is the oxidation number of
1. Se in CaSeO4
2.Se in H2Se
3.br in BrO3(-1)
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