Question

why at last in the zero group atomic size increases??​

Answer 1

ANSWER

At last in the zero group, elements have wholesale electrons so electron electron repulsion occur which increase in effective nuclear charge hence the radius of zero group elements increases.

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Answer 2

Answer:

Explanation:

inter zero group elements have wholesale electrons so electron electron repulsion Orchid

Thus the effective radius increases

So the result of whole last zero group atomic radius decrease or remain same

Hope it helps u