Average Atomic Mass Answer Key. Isotope information is provided below. Page 1 of 4.
Isotope information is provided below. Calculate the average atomic mass for oxygen. 24 mg is the most common isotope and is thus most heavily weighted in the equation for average atomic mass.
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Although significant figures are not being assessed here it should be noted that all significant figures are to be corrected at the end of a question. Show all of your work and check your answer against the mass listed on the periodic table. Page 1 of 4. Average atomic mass mr.