Chemistry - GENERAL CHEMISTRY Question with Solution | TestHub

If the nitrogen atom had electronic configuration$1{\text{s}}^7$it would have energy lower than that of the normal ground state configuration$1{\text{s}}^{2}2{\text{s}}^{2}2{\text{p}}^3$because the electrons would be closer to the nucleus. Yet$1{\text{s}}^7$is not observed. It violates