What is the electron configuration of a ground-state Cu⁺ ion? A)[Ar]3d¹⁰ B)[Ar]4d¹⁰ C)[Ar]3d⁹ D)[Ar]4d⁹ E)None of the choices is correct.

Name: What is the electron configuration of a ground-state Cu + ion? A)[Ar]3d 10 B)[Ar]4d 10 C)[Ar]3d 9 D)[Ar]4d 9 E)None of the choices is correct.
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The ground-state electron configuration of a neutral copper atom is [Ar]3d¹⁰4s¹. When it loses one electron to form Cu⁺, the electron is removed from the 4s orbital, resulting in [Ar]3d¹⁰.

What Is the Electron Configuration of a Ground-State Cu+ Ion

What Is the Electron Configuration of a Ground-State Cu⁺ Ion