Question

give the trends in atomic size on moving :down the group

Answer 1

Atomic Size Increases on Moving Down the group

The Main reason for this is increase in size of the shell which contains valence electron .

Also We can say the overall effective nuclead charge decreases on the outer electron .

Answer 2

On moving down the group the atomic size is get increased bcz the distance of the outermost shell from the nucleas is get increased....


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