Question

atomic size increases down the group due to​

Answer 1

Answer:

The growth of nuclear charge pulls more intensely the electrons, pulling them closer to the nucleus. ... The number of energy levels (n) increases in a group downwards, since there is a larger distance between the nucleus and the outermost orbital. This results in an atomic radius that is greater.

Answer 2

Answer:

As number of shells increases down the group , even atomic size increases.

Atomic size is directly proportional to the Number of shell

Explanation:

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