89. The elements A, B, C, D and E have atomic numbers 9, 11.17, 12 and – InterviewSolution

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1.	89. The elements A, B, C, D and E have atomic numbers 9, 11.17, 12 and 13 respectively.The pair of elements which belongs to the same group of the periodic table isi1. A and B 2. B and D3.A andC 4 . D and E
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