Question

What is the chemical name of the compound represented by the formula Ni2O3? Use the list of polyatomic ions and the periodic table to help you answer.

Answer 1

The chemical name is nickel (III) oxide .

Answer 2

Answer: Nickel(III)oxide

Explanation:

Nickel is in+3 oxidation state and it is cation and anion is oxide

By Criss cross method , valency of cation and anion gets exchanged to subscript, as below

Ni+3, O^2-

Ni2O3