Question

Elements A,B,C,D and E have following
electronic configurations:
(A)
1s2,2s²2p' (B) 1s,25?2pé,3s²3p' (c)
1s,25?2p 3s 3p
(D)
13²,25?2p 3s 3p
(E)
1s?,2s²2p 3s 3p which among the
belongs to same group in the periodic
table?​

Answer 1

Answer:

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Answer 2

Answer:

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