q357

0. The electronic configuration of four elements a,b,c,d respectively are
(a) 1 S2         (b) 1 S22s22p2
(c) 1 S22s22p5 (d) 1 S22s22p6

The tendency to form electrovalent bond will be largest in (NTSE Madhya Pradesh, Stage-I, 2012-13)

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