Chapter 5, Problem 33P

For each of the following pairs of atoms or ions, state which you expect to have the larger radius.

(a) Na or K

(b) Cs or ${\text{Cs}}^{+}$

(c) ${\text{Rb}}^{+}$ or Kr

(d) K or Ca

(e) ${\text{Cl}}^{-}$ or Ar