Write down the formulas + oxidation state: zinc acetate, barium carbonate, copper (III) nitrate, zinc silicate

Write down the formulas + oxidation state: zinc acetate, barium carbonate, copper (III) nitrate, zinc silicate, mercury (II) sulfate, sodium nitrite, ammonium nitrate, copper sulfide.

1. (CH3COO) 2Zn s.o. zinc 2+ acetate anion 1-
2.BaCO3 barium 2+ carbonate anion 2-
3.Cu (NO3) 2 copper 2+ nitrate anion 1-
I think copper is still not trivalent, these compounds are very unstable
4.ZnSiO3 zinc 2+ silicate anion 2-
5.HgSO₄ mercury 2+ sulfate anion 2-
6. NaNO2 sodium 1+ nitrite anion 1-
7.NH4NO3 ammonium cation 1+ nitrate anion 1-
8.CuS copper 2+ sulfide anion 2-



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