Question

What is the periodic trend observed in the variation of atomic radii down a group

Answer 1

Answer:

atomic radii increases down a group

Explanation:

as we move down a group, the number of shells increases. so the atomic radii ( distance between centre of nucleus and outermost ) increases

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Answer 2

Answer:

PERIODIC TREND:

ATOMIC RADII INCREASES DOWN A GROUP

Reason:

AS WE GO DOWN A GROUP, NO OF SHELLS INCREASE. SO, DISTANCE FROM NUCLEUS TO OUTERMOST SHELL INCREASES.