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Chemistry, 20.02.2020 20:29 Jonah58

Use the periodic table to determine which element this is:
A certain element exists as three different isotopes, 24.1% of all the isotopes have a mass of 75.23 amu, 48.7% have a mass of 74.61 amu, and 22.2% have a mass of 75.20 amu.

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