Question

define Hundu's rule , aufbow principle and paulis exclusive principles with examples
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Answer 1

Answer:

Aufbau Principle:

lower energy orbitals fill before higher energy orbitals.

Hund's Rule:

one electron goes into each until all of them are half full before pairing up.

Pauli Exclusion Principle:

no two electrons can be identified by the same set of quantum numbers (i.e. must have. different spins).

Answer 2

Answer:

Aufbau Principle: lower energy orbitals fill before higher energy orbitals.

Hund's Rule: one electron goes into each until all of them are half full before pairing up.

Pauli Exclusion Principle: no two electrons can be identified by the same set of quantum numbers (i.e. must have. different spins).