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which of the following configurations is...

which of the following configurations is correct for alkaline earth elements?

A

`[Ne]2s^(2)2p^(2)`

B

`[Ar]4s^(2)`

C

`[Ar]3d^(10)4s^(1)`

D

`[Ar] 3d^(10)4s^(2)`

Text Solution

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The correct Answer is:
B
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