Which of the following statements correctly compares the relative size of an ion to its neutral atom?
a. The radius of an anion is greater than the radius of its neutral atom.
b. The radius of a cation is greater than the radius of its neutral atom.
c. The radius of an anion is identical to the radius of its neutral atom.
d. The radius of a cation is identical to the radius of its neutral atom.
Answer: The radius of an anion is greater than the radius of its neutral atom.