Question

In a given atom no two electrons can have the same values for all the four quantum numbers. This is due to:

• A. Hund's rule
• B. Aufbau's principle
• C. Uncertainty principle
• D. Pauli's exclusion principle

Answer 1

The correct option is D

Pauli's exclusion principle

Pauli's exclusion principle states that, in an atom or molecule, no two electrons can have the same four electronic quantum numbers.