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

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.

Discussion