Question

The Roman numerals within parenthesis after the symbol in Cu(I) and Cu (II) are showingOPTION A:Variable valency of copperOPTION B:Atomicity of copperOPTION C:Radical nature of copperOPTION D:Reactivity nature of copper​

Answer 1

Answer:

a) variable valency

Explanation:

Thus, copper forms compounds containing Cu

+

ions or Cu

++

ions. Representative elements sodium, calcium and magnesium shows +1, +2 and +2 oxidation states respectively.

Hence, the correct option is A