A hypothetical element has two main isotopes with mass numbers of 67 and 70. If 81.00% of the isotopes have...

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A hypothetical element has two main isotopes with mass numbers of 67 and 70. If 81.00% of the isotopes have a mass number of 67 amu, what atomic weight should be listed on the periodic table for this element?

Answer in units of amu

 

    • 12 years ago
    • 999999.99
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