5. An element exists as 2 different isotopes. The first isotope has a mass number of 107 with a percent abundance of 51.853%, and the second isotope has a mass of 109 with an abundance of 48.147%.
What is the average atomic mass of this element? Then, determine the element name.
(Ans = 108.0 amu, Silver)
6. Calculate the average atomic mass of the element Hydrogen (H) using the following data:
Hydrogen-1 99.0%
Hydrogen-2 0.80%
Hydrogen-3 0.20%
(Ans = 1.0 amu)