(a) How does the electropositive character of elements change on going down in a group of the periodic table?
(b) State how the valency of elements varies (i) in a group, and (ii) in a period, of the periodic table.

(a) The electropositive character of elements increases on going down the group of the periodic table.

(b) (i) Valency of the elements remains the same down the group.

(ii) The valency of elements first increases from 1 to 4 and then decreases to zero on moving from left to right across the period.

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Updated on: 10-Oct-2022

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