Multiple Choice
What is the correct electron configuration of copper?
A) 1s 2 2s 2 2p 6 3s 2 3p 6 3d 10 4s 1
B) 1s22s22p63s13p64s23d9
C) 1s 2 2s 2 2p 6 3s 2 3p 6 3d 10 4s 2
D) 1s22s22p63s23p63d94s2
Correct Answer:

Verified
Correct Answer:
Verified
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