Question

The atomicity of Na is 1. What does it mean?

• A. It has one electron in its valance shell.
• B. It has one atom each in their molecules
• C. It can combine with the element having valency 1.
• D. Both B and C.

Answer 1

The correct option is B

It has one atom each in their molecules

Atomicity of an element is defined as the number of atoms present in one molecule of an element. Hence option B is correct.