The correct set of quantum number for the unpaired electron of a chlorine atom is

Options

A. `2,0,0,+1//2`
B. `2,1,-1,+1//2`
C. `3,1,1,+1//2`
D. `3,0,0,+1//2`

Answer

C

Explanation

ltBrgt `Cl_(17)to1s^(2),2s^(2)2p^(6),3s^(2)3p^(5)`
`n=3,l=1,m_(l)=l,m_(s)=+1//2`