If Pauli's exclusion rule is not followed and an orbital can have maximum two electrons then maximum number of electrons having same set of n , ℓ and m s for P ( Z = 15 ) will be :-

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If Pauli's exclusion rule is not followed and an orbital can have maximum two electrons then maximum number of electrons having same set of n , ℓ and m s ​ for P ( Z = 15 ) will be :-

TestHub · Accepted Answer

For Phosphorus ( Z = 15 ), the electronic configuration is: 1 s 2 2 s 2 2 p 6 3 s 2 3 p 3 If Pauli’s exclusion principle is not followed, then electrons can have the same spin in one orbital. For a given set of n , ℓ , m , only one orbital is fixed, and according to the question, an orbital can contain a maximum of 2 electrons. In phosphorus, the maximum number of such electrons possible becomes 6. Hence, the correct answer is (C) 6.

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