Average Atomic Mass Worksheet 2 Answers. Chemistry archive january 23 2018 from average atomic mass worksheet answers source. Iodine is 80 127i 17 126i and 3 128i.
85 56 amu 2 uranium has three common isotopes. 1 rubidium is a soft silvery white metal that has two cornmon isotopes 85rb and 87rb. Chemistry archive january 23 2018 from average atomic mass worksheet answers source.
Final answer is 52 00.
If the abundance of 85 rb is 72 2 and the abundance of 87 rb is 27 8 what is the average atomic mass of rubidium. Which isotope has an atomic mass closest to the average atomic mass listed on the periodic table. What is the atomic mass of hafnium if out of every 100 atoms 5 have a mass of 176 19 have a mass of 177 27 have a mass of 178 14 have a mass of 179 and 35 have a mass of 180 0. Give a mathematical reason for your answer to part a.