The electronic configuration of four elements are given below. Which element does not belong to the same family as others ?
The electronic configuration of four elements are given below. Which element does not belong to the same family as others ?
A. `[Xe] 4f^14 5d^10 6s^2`
B. `[Kr] 4d^10 5s^2`
C. `[Ar] 3d^10 4s^2`
D. `[Ne] 3s^2 3p^5`
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Correct Answer - D
`[Ne] 3s^2 3p^5` belongs to group 17 (Halogen family) whereas others belong to group 12 (last group of transition series)
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