Question

Differentiate between the covalent radii and the ionic radii. Name the cations that are

largest single atom cations. Which out of N3–

and O2–

ion is bigger in size and why?

Answer 1

Ionic Radius. The ionic radius is half the distance between two gas atoms that are just touching each other. ... If the atom loses its outermost electron (positively charged or cation), the ionic radius is smaller than the atomicradius because the atom loses an electron energy shell.