Which one of the following ions has the highest value of ionic radius? — Periodic Table and Periodicity Chemistry Question

💡 Solution & Explanation

+ 3 + Li and B has two electrons equivalent to helium (He) but the atomic radius of + + 3 Li B due to the high effective nuclear charge of boron. 2 O and F has 10 electrons equivalent to neon (Ne) but the radius of 2 O F due to the high effective nuclear charge of fluorine. Therefore, the order of the ionic radius has the highest value of the ionic radius.