Question
Chemistry Question on Planck’s quantum theory
"Pairing of electrons in orbitals starts only when the available degenerate orbitals are singly filled" is stated by
A
Hund's Rule
B
Pauli's Principle
C
Aufbau Principle
D
Bohr's theory
Answer
Hund's Rule
Explanation
Solution
The correct option is (A): Hund's Rule