Mar '12
2
MCAT Question of the Day | MCAT Course


  • Q:

    The standard atomic weight for chlorine is a weighted average of the mass of all stable isotopes and is approximately 35.5 g/mol. Using this information alone, which of the following must be true?

     

    A

    There is exactly one stable isotope of chlorine.

    B

    There is more than one stable isotope of chlorine.

    C

    There are exactly two stable isotopes of chlorine.

    D

    All isotopes of chlorine are present in roughly equal abundance.




    Tags: Periodic Table | Suggest a tag
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