CHEMISTRY · Single correct · AP · Chemistry · Atomic Structure and Properties · Atomic Structure and Properties
Problem
Chromium has an atomic number of 24. The mass numbers of its four stable isotopes are 50, 52, 53, and 54.
Identify the correct statements about the isotopes.
I. All the isotopes have the same chemical properties.
II. All the isotopes have nuclei containing 24 protons.
III. One of the isotopes has 54 neutrons.
(1) I and II only
(2) I and III only
(3) II and III only
(4) I, II and III