Electronic configuration $=1 s ^2\, 2 s ^2 \,p ^6$
$1 s ^2\, 2 s ^2\, 2 p ^6$ is electronic configuration of $Ne$.
$1 s ^2\, 2 s ^2\, 2 p ^5 \,3 s ^1$ is excited oxidation state.
(નજીકનાં પૂર્ણાંકમાં રાઉન્ડ ઑફ કરો) $\left[ h =6.63 \times 10^{-34}\, Js , c =3.00 \times 10^{8} \,ms ^{-1}\right.$ $,$ $\left. N _{ A }=6.02 \times 10^{23}\, mol ^{-1}\right]$