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The electronic configuration of calcium ...

The electronic configuration of calcium ion `(Ca​^( 2+)​)` is :-

A

`1s^​(2)​, 2s​^(2)​ 2p​^(6)​, 3s^(​2)​ 3p​^(6)​, 4s^(​2 )`

B

`1s^(2)​, 2s^(​2)​ 2p^(​6)​, 3s^(​2)​ 3p^(​6)​, 4s^(​0)`

C

`1s​^( 2​), 2s^(​2)​ 2p​^(6)​, 3s^(​2)​ 3p^(​6)​, 3d^(​2)`

D

`1s^(2)​, 2s​^(2​) 2p​^(6​), 3s^(​2)​ 3p^(​6)​, 3d^(​5)`

Text Solution

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The correct Answer is:
B
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