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Electron enters the sub-shell for which ...

Electron enters the sub-shell for which (n+l) value is minimum. This is enunciated as

A

Hund’s rule

B

Aufbau principle

C

Heisenberg uncertainty principle

D

Pauli’s exclusion principle

Text Solution

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The correct Answer is:
B
According to the Aufbau principle electron filling minimum to higher energy level.
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