Question

what is an atmocity?
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Answer 1

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Atomicity is defined as the total number of atoms that constitute a molecule. For example, each molecule of oxygen (O2) 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.

Answer 2

Answer:

noun. 1Chemistry. The number of atoms in the molecules of an element. 'In other words, as this encyclopedia entry says, a molecule of oxygen has an atomicity of 2. '