Question

what is the significance of pauli's exclusion principle?

Answer 1

The Pauli exclusion principle states that,in an atom or molecule,no two electrons can have the same four electronic quantum numbers. As an orbital can contain a maximum of only two electrons,the two electrons must have opposing spins.

Answer 2

Pauli Exclusion Principle.

The Pauli Exclusion Principle states that, in an atom or molecule, no two electrons can have the same four electronic quantum numbers.

As an orbital can contain a maximum of only two electrons, the two electrons must have opposing spins.