Question
A, B, C are three elements in which B is an inert gas other than helium.With this information complete the following table.
12345678
H He
A B
C D
Will the most non-metallic element be found at A,B,C or D ?

Answer

The most non-metallic element will be found at D.
Concept Insight: non-metallic character decreases down the group and increases with the decreasing size of atom.

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