A. Isotopes have different numbers of protons.
B. Isotopes have the same mass number.
C. Isotopes have different numbers of neutrons.
D. Isotopes have the same chemical properties.
Answer: Isotopes have different numbers of neutrons.
Which of the following statements about isotopes is true?
Additional Information: Isotopes of an element have the same number of protons but different numbers of neutrons.
Subjects: Atomic Structure, Chemistry