What Is the Electron Configuration of a Ground-State Cu Atom

question 34

Multiple Choice

What is the electron configuration of a ground-state Cu atom?

• A) 1s²2s²2p⁶3s²3p⁶4s¹3d¹⁰
• B) 1s²2s²2p⁶3s²3p⁶3d¹⁰
• C) 1s²2s²2p⁶3s²3p⁶4s¹4d¹⁰
• D) 1s²2s²2p⁶3s²3p⁶4s²4d⁹
• E) 1s²2s²2p⁶3s²3p⁶4s²3d⁹

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