The increasing order of electron affinity of the electronic configurations of element is : (I) 1s2 2s2 2p6 3s2 3p5 (II) 1s2 2s2 2p3 (III) 1s2 2s2 2p5 (IV) 1s2 2 | Periodic Table and Periodicity — Chem-Mantra | Chem-Mantra

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Question

The increasing order of electron affinity of the electronic configurations of element is : (I) 1s2 2s2 2p6 3s2 3p5 (II) 1s2 2s2 2p3 (III) 1s2 2s2 2p5 (IV) 1s2 2s2 2p6 3s1

Answer: A

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