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The type of nuclear power that is most common on Earth is nuclear fission.Nuclear fission occurs when a heavier atom splits into smaller pieces.
So, right now on Earth, we can't run our own nuclear fusion reactors, but we still rely heavily on the fusion reactions that take place on the sun.Radioactive isotopes are used to determine the age of old artifacts, diagnose disease, and treat certain types of medical conditions.In this lesson, we are going to take a closer look at each of these applications of nuclear chemistry. The answer is 'run on nuclear fusion.' Nuclear fusion occurs when two or more atoms fuse together to form a single, heavier atom.Also, those neutrons that were ejected can be used to initiate several other fission reactions.This 'domino effect' caused by the neutrons is called a chain reaction, and it can be responsible for keeping the reaction going for a long time.
Usually the 'pieces' are smaller atoms, but often neutrons are also released.