Which of the following has the larger atomic radius?

Options

  • A. Sodium
  • B. Chlorine
  • C. Both have exactly the same atomic radius
  • D. More than one of the above
  • E. None of the above

Correct Answer (Detailed Explanation is Below)

A. Sodium

Detailed Explanation

Na and Cl are in the same period, and atomic radius decreases from left to right. Sodium therefore has the larger atomic radius.