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Electron affinity for an atom is important to make it as a molecule.

where atom is a small single one and molecule is the combination of two or more atoms.

electron affinity is just a desire for attraction of electron by the atom.

for example : We should have some affection for others to become their close relation like friends and live together in the same way a single atom should have desire [that is framed as ELECTRON AFFINITY] for electrons to be attached to form molecule

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13y ago

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