What is nuclear fission and nuclear fusion?

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(N/A) Nuclear fission is a process in which a heavy nucleus,such as $U^{235}$,splits into two smaller,lighter nuclei when bombarded with a neutron. Th

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(N/A) Nuclear fission is a process in which a heavy nucleus,such as $U^{235}$,splits into two smaller,lighter nuclei when bombarded with a neutron. This process releases a significant amount of energy and additional neutrons,which can trigger a chain reaction.
Nuclear fusion is a process in which two light nuclei,such as isotopes of hydrogen ($H^2$ and $H^3$),combine to form a single,heavier nucleus under conditions of extreme temperature and pressure. This process also releases a vast amount of energy,which is the primary source of energy in stars and the Sun.

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