\(C^+ = 1s^2\,2s^2\,2p^1,\,N^+ = 1s^2\,2s^2\,2p^2\)
\(O^+ = 1s^2\,2s^2\,2p^3,\,F^+ = 1s^2\,2s^2\,2p^4\)
Therefore \(O > F > N > C\)
${{O}_{(g)}}+{{e}^{-}}=O_{(g)}^{-}\,\,\,\Delta {{H}^{o}}=-142\ kJ\,mo{{l}^{-1}}$
$O_{(g)}^{-}+{{e}^{-}}=O_{(g)}^{2-}\,\,\,\Delta {{H}^{o}}=844\ kJ\,mo{{l}^{-1}}$
આ શાના કારણે છે ?