Answer:
Explanation:
On the basis of atomicity, molecules can be classified as: Monoatomic – composed of one atom e.g. He, Ne, Ar, Kr (all noble gases are monatomic)
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Examples.
Atomic Number Element Atomicity
6 Carbon (C) 1
7 Nitrogen (N) 2
8 Oxygen (O) 2
9 Fluorine (F) 2
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