What is the ground-state electron configuration for Co²⁺ (Z = 27)? A)[Ar] 4s² 3d⁹ B)[Ar] 4s² 3d⁵ C)[Ar] 3d⁷ D)[Ar] 4s¹ 3d⁶

Name: What is the ground-state electron configuration for Co 2+ (Z = 27)? A)[Ar] 4s 2 3d 9 B)[Ar] 4s 2 3d 5 C)[Ar] 3d 7 D)[Ar] 4s 1 3d 6
Brand: Quizplus
Rating: 4.9 (44 reviews)

Question

Quizplus · Accepted Answer

The ground-state electron configuration for Co is [Ar] 4s² 3d⁷. When it loses two electrons to form Co²⁺, the electrons are removed from the 4s orbital first, resulting in [Ar] 3d⁷.

What Is the Ground-State Electron Configuration for Co2+ (Z =

What Is the Ground-State Electron Configuration for Co²⁺ (Z =