Question

Write the four quantum numbers for the differentiating electron of sodium $\left(Na\right)$ atom?

Answer 1

Electronic configuration of Na atom=$1s^{2}2s^{2}2p^{6}3s^1$

$3s^1{e}^{-}$ is differentiating electron

For $3s^1{e}^{-}$; $n=3,l=0,m=0,m_s=\frac{+1}{2}$ or $\frac{-1}{2}$