MHT CET 2025 Chemistry question

Chemistry Classification of Elements and Periodicity in Properties MHT CET 2025

Identify isoelectronic pair from following

(A)Ne and Correct
(B) and Ca
(C)Ar and
(D) and

Answer: (A)

Solution

Isoelectronic species have the same number of electrons. (A) Ne has 10 electrons; has electrons, so they are isoelectronic. (B) has 18 electrons while Ca

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Question ID VK-102099