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Question

If nitrogen atom had an electronic configuration of 1s7, it would have energy lower than it’s normal ground state configuration of 1s22s22p3.Yet,1s7 is not observed as it violates:

A
Bohr postulates
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B
Hund' s rule
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C
Pauli' s exclusion principle
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D
Bohr-Bury rule
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Solution

The correct option is C Pauli' s exclusion principle
This configuration violates Pauli’s exclusion principle as one orbital cannot have more than two electrons.

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