Question

define radii and atomic radius​

Answer 1

Explanation:

The atomic radius of a chemical element is a measure of the size of its atoms, usually the mean or typical distance from the center of the nucleus to the boundary of the surrounding shells of electrons. ... Three widely used definitions of atomic radius are: Van der Waals radius, ionic radius, and covalent radius.

Answer 2

The atomic radius of a chemical element is a measure of the size of its atoms, usually the mean or typical distance from the center of the nucleus to the boundary of the surrounding shells of electrons.

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