milia324 milia324 01-03-2018 Chemistry contestada An element has three naturally occurring isotopes. Use the information below to calculate the weighted average atomic mass of the element, showing both the setup and the final answer for the calculation. Isotope Atomic Mass Percent Abundance X 1.01 u 99.984% Y 2.01 u 0.014% Z 3.02 u 0.002%