Average Atomic Mass Worksheet Answers. 1 rubidium is a soft silvery white metal that has two common isotopes 85rb and 87rb. Relative atomic mass worksheet answers isotopes and average atomic mass worksheet answer key.
Give a mathematical reason for your answer to part a. 2 uranium is used in nuclear reactors and is a rare element on earth. 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.
Calculate the average atomic masses.
Boron has two naturally occurring isotopes. If the abundance of 85rb is 72 2 and the abundance of 87rb is 27 8 what is the average atomic mass of rubidium. If the atomic mass of 25mg is 24 98584 amu and 26mg is 25 98259 amu calculate the actual atomic mass of 24mg. Boron has two naturally occurring isotopes.