1. Chromium has four naturally occurring isotopes, with the masses and isotopic abundances as shown below: Isotope Chromium-50 Chromium-52 Chromium-53 Chromium-54 Mass (amu) 49.946 51.941 52.941 53.939 Percent Abundance 4.35 83.79 9.50 2.36 Determine the average atomic mass of chromium

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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.