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An element's average atomic mass is calculated by adding the masses of its isotopes and multiplying each by the element's natural abundance. Average atomic mass is equal to f1M1 + f2M2 +… + fnMn, where f is the fraction indicating the isotope's natural abundance and M is its mass number (weight). On the periodic table, an element's average atomic mass is usually listed beneath the elemental symbol. Calculating the average atomic mass of an element is simple when information on the natural abundance of the various isotopes of that element is available. If you are struggling with problems calculating average atomic mass, please don’t be worried. On this website, we have prepared various helpful calculating average atomic mass worksheets for extra practice. These Chemistry worksheets will give students a chance to practice a variety of problems and activities to help students dive deeper into the topic. Try our calculating average atomic mass worksheets now if you're seeking a way to reteach and offer further help when it comes to this topic. We’re sure that it would be an excellent reinforcement resource.
