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11-03-2024
Chemistry

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The electronic configuration of four elements are given below. Which elements does not belong to the same family as others ?
(a) [Xe]4f¹⁴5d¹⁰ls²
(b) [Kr]4d¹⁰5s²
(c) [Ne]3s²3p⁵
(d) [Ar] 3d¹⁰ 4s²

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