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Just found the average amu mass of Magnesium with, but it does not match the one in its square on the periodic table. Why?

2 Answers

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  • 6 years ago
    Favorite Answer

    Obviously you have made an error.

    If you submit exactly what you have done to find the average amu of Mg and the results you got - then you can be helped

    With the limited information you provide, it is not possible.

  • 6 years ago

    Maybe because Grayson Clarke shouldn't do chemistry

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