what is electron affinity
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The amount of energy released or spent when an electron is added to a neutral atom or molecule in the gaseous state to form a negative ion.
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It is equal to the energy liberated when an extra electron is taken by an isolated gaseous atom. It's unit is eV/atom or KJ /mole or KJ / gm - atom.
It is represented by EA or E.
hope it helps ✔️
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