JEE Main Chemistry question

ChemistryStructure of AtomJEE Main

If the nitrogen atom had electronic configuration , it would have energy lower than that of the normal ground state configuration , because the electrons would be closer to the nucleus. Yet is not observed because it violates:

Answer: (C)

Solution

An -orbital holds at most 2 electrons; placing 7 electrons in violates Pauli's exclusion principle.

Question ID VK-132934