Question

Hello guys in my science exam there was a question Q- What is atomicity?
And I wrote :- Atomicity is defined as the number of atoms of same and different kind which together makes up a molecule is it correct or not​

Answer 1

Atomicity is defined as the total number of atoms that constitute a molecule. For example, each molecule of oxygen is composed of two oxygen atoms. So atomicity of oxygen is 2.In older contexts, the term atomicity is sometimes used in the same sense as valency.