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For the configuration 1s^(2)2s^(1), the ...

For the configuration `1s^(2)2s^(1)`, the quantum numbers for the outermost electron are

A

`2,1,0,-1//2`

B

`2,0,0, +1//2`

C

`2,1,0,+1//2`

D

`2,0,1,+1//2`

Text Solution

Verified by Experts

The correct Answer is:
B
`n=2 , l = 0 , m_s = pm 1//2`
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