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

Question 122

Multiple Choice

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

Correct Answer:

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