Lowest IP will be shown by the element having the configuration ? – InterviewSolution

1.	Lowest IP will be shown by the element having the configuration ?
Answer» `[He] 2S^(2)` `1S^(2)` `[He] 2s^(2) 2P^(2)` `[He] 2s^(2) 2p^(6)` ANSWER :A

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