What Is the Ground-State Electron Configuration of the Ion Cu²⁺

question 98

Multiple Choice

What is the ground-state electron configuration of the ion Cu²⁺?

• A)[Ar] 3d⁹
• B)[Ar] 4s¹ 3d⁸
• C)[Ar] 4s² 3d⁷
• D)[Ar] 4s² 3d¹⁰ 4p¹

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