Question

what is atomic size? how doesit vary in period and group?​

Answer 1

Answer:

n general, the atomic radius decreases as we move from left to right in a period with an increase in nuclear charge of the element. The atomic radius increases when we go down a group because of the addition of extra shell.

Explanation:

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Answer 2

Answer:

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Explanation:

In general, the atomic radius decreases as we move from left to right in a period with an increase in nuclear charge of the element. The atomic radius increases when we go down a group because of the addition of extra shell.