The atomic mass of fluorine is 19.00 amu, and all fluorine atoms in a naturally
Chapter 0, Problem 113(choose chapter or problem)
The atomic mass of fluorine is 19.00 amu, and all fluorine atoms in a naturally occurring sample of fluorine have this mass. The atomic mass of chlorine is 35.45 amu, but no chlorine atoms in a naturally occurring sample of chlorine have this mass. Explain the difference.
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