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Statement-1 : The ground state configura...

Statement-1 : The ground state configuration of `Cr` is `[Ar] 3d^(5) 4s^(1)`
Statement-2 : The energy of atom is lessen in `3d^(5)4s^(1)` configuration compared to `3d^(1)4s(2)` configuration.

A

Pauli's exclusion principle

B

Aufbau Principle

C

Hund's rule

D

Heisenberg principle

Text Solution

Verified by Experts

The correct Answer is:
C
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