A certain element exists as three different isotopes, 29.1% 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. A. What is the average atomic mass of this element B. Use your periodic table to determine which element this is. Show your work/calculations

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Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.