Which of the following configuration corresponds to an alkaline earth – InterviewSolution

1.	Which of the following configuration corresponds to an alkaline earth metal ?
Answer» `[NE]3S^(2)3P^(1)` `[Ar]3D^(10)4s^(2)` `[Kr]5s^(1)` `[Ar]4s^(2)` Answer :D

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