Which of the following atoms has the largest diameter?

Review the verified answer and explanation for this SPSC – Sindh Public Service Commission past-paper question on CampusFin.

Which of the following atoms has the largest diameter? Answer: I

The atom with the largest diameter is I (Iodine).As you move down a group on the periodic table, atomic radius increases. Since Iodine is below Bromine and Chlorine in the same group (Halogens), it has the largest diameter among the listed options.