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Verified Answer & Explanation⌄

Correct Answer: C) [Ar] 3d¹⁰

Concept Explanation

Neutral Cu: [Ar] 3d¹⁰ 4s¹ Cu⁺ loses the 4s electron first: Cu⁺ = [Ar] 3d¹⁰.

Topic: Electronic Configuration of IonsPractice more Electronic Configuration of Ions MCQs →