Question

The atomicity of helium is:

• A. 1
• B. 2
• C. 3
• D. 0

Answer 1

The correct option is A

1

• The total number of atoms of each element present in one molecule of an element is called its atomicity.
• Helium, In nature is found in the elemental state i.e., $\mathrm{He}$.
• Therefore, the atomicity of Helium will be 1, as it contains only one atom of Helium.

Therefore, Option A is the correct answer.