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Verified Answer & Explanation⌄

Correct Answer: B) Fe²⁺ and Mn²⁺

Concept Explanation

Fe²⁺ has 24 electrons, while Mn²⁺ has 23 electrons. Therefore, they are not isoelectronic.

Topic: Isoelectronic SpeciesPractice more Isoelectronic Species MCQs →