Barrons SAT Subject Test Chemistry, 13th Edition

(Marvins-Underground-K-12) #1

  1. (F, T) The statement that isotopes of the same element have the same mass
    number is false. Isotopes of the same element have the same number of
    protons but vary in the number of neutrons in the nucleus. Therefore, isotopes
    have the same atomic number but different mass numbers.

Free download pdf