Question

classification of molecules based on number of atoms
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Answer 1

Explanation:

Atomicity is defined as the total number of atoms that constitute a molecule. ... On the basis of atomicity, molecules can be classified as : Monoatomic-composed of 1 atom e.g. He, Ne, Ar (all noble gases are monoatomic) Diatomic-composed of 2 atoms e.g. H2 , N2 , O.