Electronic configuration of calcium at...

Electronic configuration of calcium atom can be written as

A

`[Ne], 4p^(2)`

B

`[Ar], 4s^(2)`

C

`[Ne], 4s^(2)`

D

`[Kr], 4p^(2)`

Verified by Experts

The correct Answer is:

D

`Ca (Z = 20): [Ar]^(18) 4s^(2)`

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