For an isoelectronic series of ions, the ion that is the smallest is always

Which of the following has the smallest radius? a. P b. Cl^– c. Al d. S^2– e. Ga

Cations have a ______________ charge and are ______________ than the atoms from which they formed.

Which of the following ranks these isoelectronic species in order of increasing atomic radii?

The measure of the size of an ion is called __________.