🤓 Based on our data, we think this question is relevant for Professor Moy's class at UNC.
Gallium (Ga) consists of two naturally occuring 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.