Three naturally occurring isotopes of carbon exist: The atomic mass of carbon is 12.01 amu. Which of the three carbon isotopes is most abundant in nature?

Question

Quizplus · Accepted Answer

Carbon-12 is the most abundant isotope of carbon in nature, accounting for approximately 98.9% of all carbon atoms. This abundance is reflected in the average atomic mass of carbon (12.01 amu), which is closest to the mass number of carbon-12.

Three Naturally Occurring Isotopes of Carbon Exist: the Atomic Mass