Question

Why copper nitrate's formula is Cu(NO3)2 but not CuNO3 ?

Answer 1

Answer:

because

Explanation:

valency of copper is 2

Answer 2

Answer:

because

Explanation:

copper is found in two types copper(I) or cuprous which shows a valency of (+1) and copper(II) or cupric which shows a valency of (+2).

And here's your answer copper nitrate's formula is Cu(NO3)2 but not CuNO3 because only copper(II) can react with nitrate.

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