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Railways PYQCBT 1 2016

RRB NTPC · Question 10

Which of the following atoms has the largest diameter? A. Iodine B. Fluorine C. Chlorine D. Bromine

  1. B

  2. C

  3. D

  4. A

Show answer & explanation

Answer: (D) A

Explanation

Atomic size increases down a group. Among the halogens fluorine, chlorine, bromine and iodine, iodine has the largest atom.