Question

1. Metals which form oxides are
............ in nature.​

Answer 1

The alkali metals and the alkaline earth metals, as well as the transition metals and the posttransition metals (in their lower oxidation states), form ionic oxides—i.e., compounds that contain the O2− anion. Metals with high oxidation states form oxides whose bonds have a more covalent nature.

Answer 2

Metals which form oxides are Co-valent in nature.