Question

What is the atomicity of hydrogen?

Answer 1

The atomicity of an element is the number of atoms present in one molecule of the element. Here some examples are Monoatomic molecules Gold, Helium, and Neon. While Diatomic molecules Hydrogen, Oxygen and Hydrogen chloride. Here you see the octa-atomic molecule is sulphur.

Answer 2

Hydrogen forms diatomic molecules like halogens so its atomicity is diatomic.