Answer to Question #103325 in General Chemistry for Leo

Question

What is the largest ionic radius?

Answer 1

The value of the ionic radius depends both on the number of protons in the nucleus and on the number of energy levels at which the electrons are located.

More details (and at the same time available) are described here:

https://chem.libretexts.org/Courses/Bellarmine_University/BU%3A_Chem_103_(Christianson)/Phase_3%3A_Atoms_and_Molecules_-_the_Underlying_Reality/8%3A_Periodic_Trends_in_Elements_and_Compounds/8.2%3A_Atomic_and_Ionic_Radius