What is the electron configuration for Ga?

What is the electron configuration for Ga?




A) 1s22s22p63s23p63d104s24p6
B) 1s22s22p63s23p64s23d104p1
C) 1s22s22p63s23p53d104s24p1
D) 1s22s22p63s23p64s24d104p1
E) none of the above




Answer: B


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