1.

The electronic configuration of an element of chalcogen family is (a)  [Ar] 3d10 4s2 4p1 (b)  [Ar] 3d10 4s2 4p4 (c)  [Ar] 3d10 4s2 4p3n (d)  [Ar] 3d10 4s2 4p2 

Answer»

The electronic configuration of an element of chalcogen family is [Ar] 3d10 4s2 4p4



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