Question

Metals consist of ______% of the elements known.

(a) 78

(b) 32

(c) 22

(d) 68

I had been asked this question in an online interview.

This question is from Electronic Configurations and Types of Elements: s, p, d and f Blocks topic in chapter Classification of Elements and Periodicity in Properties of Chemistry – Class 11

Answer 1

Right answer is (a) 78

To explain: Elements are classified into metals, non-metals, and metalloids based on their properties. While 78% of the elements that are known today are metals. Metallic nature is prominent on the left side of the periodic table.