Question

Write short notes on pauli's exclusion prinicple, Hund's rule,Aufbau principle

Answer 1

Pauli exclusion principal- acc. To pauli exclusion pricipal no two electron have same quantum no. In an atom Afbau principle- acc. To afbou principle electron will first enter into the orbital which has low energy and followed by fillimg of electron from lower energy toh higher energy Hund's rule- acc.to hunds rule pairing of electron should be done ina way that each degenerate orbital have one electron. Pls mark my answer as brainliest