If radium and chlorine combine to form radium chloride, the compound is
A) no longer radioactive.
B) half as radioactive as its radium content.
C) as radioactive as its radium content.
D) twice as radioactive as its radium content.

Question

Quizplus · Accepted Answer

The radioactivity of a compound is determined solely by the radioactive isotope(s) present in it. Radium chloride would still have the same amount of radium as before it combined with chlorine, so it would be just as radioactive as its radium content.

If Radium and Chlorine Combine to Form Radium Chloride, the Compound