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The electronic configurations of four elements are given below. Which elements does not belong to the same family as others?

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The electronic configurations of four elements are given below. Which elements does not belong to the same family as others?

(a) [Xe] 4f145d106s2

(b) [Kr] 4d105s2

(c) [Ne] 3s2p5

(d) [Ar] 3d104s2

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1 Answer

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by (55.9k points)

Correct option is (c) [Ne] 3s2p5

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