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The electronic cnfiguration of sodium is...

The electronic cnfiguration of sodium is

A

`[Ne]3s^(2)`

B

`[Ne]3s^(1)`

C

`[Ar]4s^(1)`

D

`[Ar]4s^(2)`

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Verified by Experts

The correct Answer is:
b

The electronic configuration of sodium `""_(11)Na`
`-1s^(2)2s^(2)2p^(6)3s^(1)`
`[Ne]3s^(1)`
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