What is the radius of iodine atom (at no. `53`, mass number `126`)?

What is the radius of iodine atom (At. no. 53, mass no. 126)

How does nuclear radius of an atom depend on its mass number ?

The ratio of the nuclear radius, of an atom with mass number A and ( 4)/( 2) H e is ( 14)^(1//3) . What is the value of A ?

The ratio of the nuclear radius, of an atom with mass number A and ( 4)/( 2) H e is ( 14)^(1//3) . What is the value of A ?