Which of the Following Is the Electron Configuration of an Excited

question 89

Multiple Choice

Which of the following is the electron configuration of an excited state of a copper atom

• A) [Ar]4s²3d⁹
• B) [Ar]4s¹3d¹⁰
• C) [Ar]4s¹3d⁸
• D) [Ar]4s²3d⁸
• E) [Ar]4s⁰3d¹⁰

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