Chemistry, asked by liana92, 2 months ago

[ For third question I'm writing down here ]

(iii) How does the valency vary when moving from left to right in a period and as you go down in a
group?

Please answer immediately.

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Answered by rb9475

0

Answer:

when moving in a period from left to right the valency first increases till +4 then decreases to 0 and in a group valency remains same

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