Which of the Following Statements Is Not Correct About the Radius

Multiple Choice

Which of the following statements is not correct about the radius of atoms or ions?

A) The metallic radius of an atom is defined as half the distance between the nuclear centers in a crystal of the metal.
B) The atomic radius of an atom is defined as half the length of a covalent bond involving the atom.
C) Radii vary only based on group position in the periodic table.
D) The ionic radius of an ion is computed from the distances between nuclear centers in ionic crystals.
E) Radii depend on the interaction of the outermost electrons of the atom/ion and the nucleus.