Question

what is atomic radius
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Answer 1

The atomic radius of a chemical element is measure of the size of it's atoms, usually the mean Or typical distance from the centre of the nucleus to the boundary of the surrounding shells of electrons.

Explanation:

Done.

Answer 2

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Atomic radius is the distance from the centre of the nucleus to the outermost shell containing electrons. In other words, it is the distance from the center of the nucleus to the point up to which the density of the electron cloud is maximum.