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The configuration of the valence orbital...

The configuration of the valence orbital of an element with atomic number 22 is

A

`3d^(5)4s^(1)`

B

`4s^(2)3d^(2)`

C

`4s^(1)4p^(1)`

D

`3d^(2)4s^(1)4p^(1)`

Text Solution

Verified by Experts

The correct Answer is:
B
Atomic number 22 has the following configuration :
`._(22)X=1s^(2)2s^(2)2p^(6)3s^(2)3p^(6)4s^(2)3d^(2)`
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