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Which of the following element outermost...

Which of the following element outermost orbit's last electron has magnetic quantum number m = 0?

A

Na

B

O

C

Cl

D

N

Text Solution

Verified by Experts

`""_(11)Na=1s^(2)2s^(2)2p^(6)3s^(1)`
i.e., for the electron, l=0
`thereforem=0`
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