Which of the following has the largest atomic radius?

Options

  • A. Lithium
  • B. Sodium
  • C. Potassium
  • D. More than one of the above
  • E. None of the above

Correct Answer (Detailed Explanation is Below)

C. Potassium

Detailed Explanation

Li, Na and K are Group 1 elements. Atomic radius increases down the group, so potassium has the largest atomic radius among them.