Question

Q.

211.

what is Pauli Exclusion principal ??​

Answer 1

Answer:

the assertion that no two fermions can have the same quantum number.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 is the principle, formulated by Wolfgang Pauli in 1925.

It is the Pauli exclusion principle that requires the electrons in an atom to occupy different energy levels.

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