Metal oxides are __________ in nature and non-metal oxides are generally ______ in nature.

Zinc Oxide is a metal oxide. Which of the following term best describes the nature of Zinc Oxide?

Metal oxides are anhydrides, and nonmetal oxides are anhydrides.

10._______ have properties which are between metals and non-metals

which types of metal can be obtained i ntheir pure form by just hetaing their oxides in air. Give one example

Elements with valency 1 are:(i) Always metals. (ii) Always metalloids.(iii) Either metals or non-metals. (iv)Always non-metals.