Question

What is the atomic radius?A measure of the size of a nucleus.A measure of the size of a neutron.A measure of the size of a proton.A measure of the size of an atom.

Answer 1

Explanation: Atomic Radius

It is known that the atomic radius represents or it is a measure of the size of the atom of a chemical element.

This usually means the distance from the center of the nucleus to the outermost isolated electron.

Answer: A measure of the size of an atom.