45. Which of the following statements below describes atomic radius?

A.It is the distance from the nucleus of an atom to the outermost electron

B.It is the attractive force of an atom for shared pair of elections when chemically combined with another element

C. It is the energy required to remove an electron from isolated, gaseous atom or ion in its ground state.

D. It is the energy released when an incoming electron is finally added to an isolated atom of neutral atom in its ground state​