mariss9693 mariss9693 08-07-2024 Chemistry Answered What is the electron configuration of a ground-state Cu atom? Select one:A. 1s² 2s² 2p⁶ 3s² 3p⁶ 4s¹ 3d¹⁰B. 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 4d⁹C. 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁹D. 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰E. 1s² 2s² 2p⁶ 3s² 3p⁶ 4s¹ 4d¹⁰