Question

define atomic size. how does it vary in period and in a group​

Answer 1

Answer:

Answer: 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.

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.

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