If the nitrogen atom has electronic configuration 1 s 7 , it would have energy lower than…
Chemistry · JEE Advanced · NTA Exams — Atomic Structure
If the nitrogen atom has electronic configuration 1s7, it would have energy lower than that of the normal ground state configuration 1s22s22p3, because the electrons would be closer to the nucleus. Yet 1s7 is not observed because it violates
- Heisenberg uncertainty principle
- Hund’s rule
- Pauli exclusion principle
- Bohr postulate of stationary orbits.
Answer
(C) Pauli exclusion principle
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