Ionic radius is affected by following factors
(i) Effective nuclear charge As the effective nuclear charge in increases, ionic radius decreases.
(ii) Shielding effect As the shielding effect increases, ionic radius increases.
Ionic radius is affected by following factors
(i) Effective nuclear charge As the effective nuclear charge in increases, ionic radius decreases.
(ii) Shielding effect As the shielding effect increases, ionic radius increases.