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

Q: What is the radius of iodine atom (at. No. 53, mass number 126)

(a) 2.5 × 10-11 m

(b) 2.5 × 10-9 m

(c) 7 × 10-9 m

(d) 7 × 10-6 m

Ans: (a)