Answer: option b.Cl
Cl represents the largest atomic radius
Step-by-step explanation:
Atomic radius
It is the distance between the center of nucleus and the electrons present in the outermost orbital.
It is directly proportional to the atomic number or the mass number.
Atomic radius can also be derived from the atomic number of the chlorine and fluorine, since they are directly proportional.
Atomic no of chlorine is 17 and the atomic no of F is 9. Proportionally would be the atomic radius.
Chlorine is given by the symbol Cl.