Which of the following pair of elements has `(n-1) d^10 ns^2` electronic configuration ?
Which of the following pair of elements has `(n-1) d^10 ns^2` electronic configuration ?
A. Fe, Co, Ni
B. Cu, Ag, Au
C. Zn, Cd, Hg
D. Sc, Y, La
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Correct Answer - C
`Zn-3d^10 4s^2 , Cd-4d^(10) 5s^2 , Hg- 5d^10 6s^2`
`therefore (n-1) d^10 ns^2`
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