These exercises are not divided by category,
Chapter 1, Problem 90AE(choose chapter or problem)
These exercises are not divided by category, although they are roughly in the order of the topics in the chapter. They are not paired.
Gallium (Ga) consists of two naturally occurring isotopes with masses of 68.926 and 70.925 amu.
(a) How many protons and neutrons are in the nucleus of each isotope? Write the complete atomic symbol for each, showing the atomic number and mass number. (b) The average atomic mass of Ga is 69.72 amu. Calculate the abundance of each isotope.
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