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  9. Q423

RRB Group D (Level-1 posts) 2022 · Question 423 of 598

Which of the following has the largest atomic radius?

  1. AChlorine
  2. BFluorine
  3. CIodineCorrect
  4. DOxygen

Answer: C. Iodine

Explanation

Iodine has the largest atomic radius among the given elements because atomic radius increases down a group in the periodic table.

Source: RRB Group D 2022 Prev. Yr. Paper (18 Aug 2022) (Shift 3) - Prepp · reliable-secondary

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