Question

For the main group of the periodic table, the metallic properties of the elements vary approximately with their position as shown in the table.

1	2	3	4	5	6	7	8
H							He
A				B
C				D

Will the most non-metallic element be found at A,B,C or D ?

Answer 1

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.