Home Chemistry Structure of Atom All Topic Question for Revision Test The representation of the ground state elect…
Chemistry Structure of Atom All Topic Question for Revision Test Single Correct MCQ
Published on: August 13, 2026

The representation of the ground state electronic configuration of He by box-diagram as is wrong because it violates

A
Heisenberg's uncertainty principle
B
Bohr's quantization theory of angular momenta
C
Pauli exclusion principle
D
Hund's rule

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Text Solution

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The correct answer is:
C

According to Pauli Exclusion Principle, in any orbital, a maximum of two electrons can exist, having opposite spin.

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