darrriannn2001 darrriannn2001

26-03-2024
Chemistry

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The electronic configuration of four elements are given below. Which element does not belong to the same block as others -
(1) [Xe] 6s² 4f¹⁴ 5d¹⁰
(2) [Ar] 4s² 3d⁵
(3) [Rn] 7s² 5f⁷ 6d¹
(4) [Kr] 4d⁶ 5s²

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