1085ChemistryMedium
The correct electronic configuration of Cu is ___________________?
A[Ar]3d104s1
B[Ar]4s1
C[Ar]4s2
D[Ar]3d94s2
Correct answer
A. [Ar]3d104s1
Explanation
[Ar]3d104s1 is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.