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The explanation for the presence of thre...

The explanation for the presence of three unpaired electrons in the nitrogen atom can be given by -

A

Pauli's exclusion principle

B

Hund's rule

C

Aufbau's principle

D

Uncertainty principle

Text Solution

Verified by Experts

The correct Answer is:
B
Hund’s rule states that pairing of electrons in the orbitals of a subshell (orbitals of equal energy) starts when each of them is singly filled.
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ERRORLESS-STRUCTURE OF ATOM-NCERT BASED QUESTIONS (Quantum Number, Electronic Configuration and Shape of Orbitals)
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