Question

Atomic radius goes
on
increasing down a
group. ( give reason)
​

Answer 1

Explanation:

The number of energy levels increases as you move down a group as the number of electrons increases. Each subsequent energy level is further from the nucleus than the last. Therefore, the atomic radius increases as the group and energy levels increase.

Answer 2

Answer:

Atomic radius decreces down a group because on moving down a group number of shells increases.

For ex : Atomic radius of Cs > Rb > K > Na > Li > H

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