A) \[4,1,1,+\frac{1}{2}\]
B) \[3,2,2,+\frac{1}{2}\]
C) \[4,0,0,+\frac{1}{2}\]
D) \[4,2,2,+\frac{1}{2}\]
Correct Answer: C
Solution :
The electronic configuration of the \[Cu\] atom is \[_{29}Cu=[Ar]3{{d}^{10}}4{{s}^{1}}\] Since, the outermost shell is 4s, thus outermost electron is in it. For \[4{{s}^{1}}\], \[n=4,\] \[l=0,\] \[m=0,\] \[s=+\frac{1}{2}\]
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