Choose the correct option having all the elements with $d^{10}$ electronic configuration from the following:

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$^{29} Cu,^{30} Zn,^{48} Cd,^{47} Ag$

$^{46} Pd,^{28} Ni,^{26} Fe,^{24} Cr$

$^{27} Co,^{28} Ni,^{26} Fe,^{24} Cr$

$^{28} Ni,^{24} Cr,^{26} Fe,^{29} Cu$

answer is B.

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Detailed Solution

$\begin{aligned} [Cr] = [Ar] 4 s^{1} 3 d^{5} \\ [Cd] = [Kr] 5 s^{2} 4 d^{10} \\ [Cu] = [Ar] 4 s^{1} 3 d^{10} \\ [Ag] = [Kr] 5 s^{1} 4 d^{10} \\ [Zn] = [Ar] 4 s^{2} 3 d^{10} \end{aligned}$

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