MHT CET 2025 Chemistry question

Chemistry Structure of Atom MHT CET 2025

" No two electrons in an atom can have the identical set of four quantum numbers." The statement is known as

(A)Pauli's exclusion principle.Correct
(B)Hund's rule.
(C)Aufbau rule.
(D)Heisenberg uncertainty principle.

Answer: (A)

Solution

The statement is Pauli's exclusion principle: no two electrons in an atom can have the same values of all four quantum numbers , so an orbital can hold at most two electrons, with opposite spins. Hund's rule says that electrons occupy

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Question ID VK-101199