Question

What happens to the valency of elements as we move from left to right within a period

Answer 1

answer

Electropositive character decreases aa we move from left to right, as effective nuclear charge increase and difficult to withdraw electron as we move along the period

Answer 2

Answer:

the valency of an element will decreased as we move toward left to right.

Explanation:

let say,

in period 2 there is element Na, Mg, Al, Si etc.

the valency of Na is 7 , Mg is 6, Al is 5 and Si is 4.

so as we go left to rigt in periodic table the valency will decrease...

thanks hope you understood