4tduhpt9f7 4tduhpt9f7 05-10-2022 Chemistry Answered Cavalierium, a fictional element, has three isotopes. Isotope Natural Abundance (%) 15.12% Cavalierium-88 Cavalierium-90 Cavalierium-91 56.25% Calculate the average atomic mass of Cavalierium. 28.63% Round answer to 4 sig figs. Remember units!