# 2.30  (b)   Explain, giving reasons, which of the following sets of quantum numbers are not possible.                $n=1,l=0\: \: \: \: \: m_{1}=0,m_{s}=-1/2$

Given quantum numbers :$n=1,l=0\: \: \: \: \: m_{1}=0,m_{s}=-1/2$