posted by Jameisha .
Predict which isotope of nitrogen is more commonly found, nitrogen-14 or nitrogen-15.(Hint: What is the average atomic mass listed for nitrogen in the periodic table?)
The atomic mass of N listed in the table is 14.0067. Since this is an average of isotope 14.0000 and 15.0000, obviously there must be more of isotope ???? than isotope ????