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What Is the Ground-State Electron Configuration for the Element Copper

Question 8

Multiple Choice

What is the ground-state electron configuration for the element copper (Z = 29) ?


A) [Ne] 4s2 3d9
B) [Ar] 4s2 3d9
C) [Ar] 4s1 3d10
D) [Ar] 3d9

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