If instead you fuse very light nuclei to get bigger products, energy is again released because the nucleons in the products are more tightly bound than in the original nuclei. Thus, if you split a nucleus that is much larger than iron into smaller fragments, you will release energy because the smaller fragments are at a lower energy than the original nucleus. It turns out that the most tightly bound atomic nuclei are around the size of iron-56. If a nuclear reaction produces nuclei that are more tightly bound than the originals, then the excess energy will be released. Fusion, in contrast, occurs when two or more smaller atoms fuse together, creating a larger, heavier atom. NUCLEAR FUSION :- it is the process in which two light nuclei combine to form a heavy nucleus. in this process, tremendous amount of energy is released. The splitting of the atoms releases energy and additional neutrons that. Nuclear fission is characterized by the splitting of a heavy, unstable nucleus into two lighter nuclei. The key is in how tightly the nucleons are held together in a nucleus. NUCLEAR FISSION :- it is the process in which a heavy nucleus is splitted into two light nuclei nearly of the same size by bombarding it with slow neutrons. Nuclear fusion and nuclear fission are nuclear reactions that produce energy from the changing of identity of a given radioactive nuclei. Nuclear fission is a process in which a nucleus splits into two smaller nuclei. Nuclear fusion is a process in which two nuclei join to form a larger nucleus. Nuclear fission occurs when large, unstable nuclei split into two smaller nuclei (fission products). Fusion and fission are similar in that they both release large amounts of energy.
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