Problem

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. a. I and II only b. I and III only c. II and III only d. I, II and III

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