Question

Elements A, B, C, D and E have the following er~ttronic configurations: (A) 152, 252 2pl (C) 152, 252 2p6, 382 3p3 (E) 152, 2s22p6, 3s2 3p6, 451 (B) Is2, 2s2 2p6, 382 3pl (D) 182, 282 2p6, 352 3p5 The elements which belong to the "same group of the periodic table are

Answer 1

Answer:

(A) and (B)

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