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a)What do you understand by atomic …

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a)What do you understand by atomic size? b)how does it vary across the period and down the group? C) mention it's unit.

Posted by Pooja Sri 4 years, 11 months ago

CBSE > Class 10 > Science

2 answers

Rounak Mishra 4 years, 11 months ago

0Thank You

Gaurav Seth 4 years, 11 months ago

Atomic size is the distance between the center of nucleus and the outermost electron in the outer shell. Across a period from left to right there is decrease in atomic size with increase in nuclear charge of the element. Atomic size increases down the group because of addition of extra shell.
The unit of measurement is Angstroms (A˚)

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Posted by Pandey Ji 5 months, 4 weeks ago

CBSE > Class 10 > Science