Question

What is the electronic charge of copper?

Answer 1

Copper metal has ZERO electronic charge.

Explanation:

Copper can be oxidized to form `Cu^(2+)`, `"cupric"`, and `Cu^+`, `"cuprous"` ions. In water, the aquated cupric ion, here `[Cu(OH_2)_6]^(2+)`, gives rise to a lovely blue colour.