HELP ASAP Calculate the atomic mass of each of the following elements using your method from above. Test your answer using the Nature’s mix of isotopes and the periodic table. SHOW ALL WORK as we have been doing for these problems. Silicon: Isotope 1 - mass 27.97 amu, 92.22% abundance Isotope 2 - mass 28.9764 amu, 4.685 % abundance Isotope 3 - mass 29.97377 amu, 3.092% abundance