Give the oxidation numbers for the specified atoms in the following molecules and ions.
(a) Mg3N2 N:
(b) CaC2 C:
(c) ZnO22− O:
(d) NaBH4 B:
(e) C2O42− C:
(f) WO42− W:
N: Assume that the oxidation state of N = x
Oxidation sate of Mg = +2
C: Assume that the oxidation state of C = x
Oxidation sate of Ca = +2
O: Assume that the oxidation state of O = x
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