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Which of the following pair of elements ...

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

Text Solution

Verified by Experts

The correct Answer is:
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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MARVEL PUBLICATION-D AND F BLOCK ELEMENTS -TEST YOUR GRASP
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