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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