The ground state electron configuration for Zn is _ . A) [Kr]4s²3d¹⁰ B) [Kr]3s²3d¹⁰ C) [Ar]4s²3d¹⁰ D) [Ar]4s¹3d¹⁰ E) [Ar]3s²3d¹⁰

Question

Quizplus · Accepted Answer

The electron configuration for Zn is [Ar]3d^10 4s^2. However, since the 3d energy level is filled, it can be contracted and written as [Kr]4s^2 3d^10. Therefore, the correct ground state electron configuration for Zn is [Ar]4s^2 3d^10, which is represented by choice C.

The Ground State Electron Configuration for Zn Is _