1.

If the electronic structure of oxygen atom is written as 1s^2 , 2s^2 it would violate

Answer»

Hund.s rule
Paulis exclusion PRINCIPLE
Both Hund.s and Pauli.s principles
Aufbau.s principle

SOLUTION :Hund.s rule says about degenerate orbitals filled with SINGLE `e^-` each.


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