Both the reaction are used for energy production. The nuclear fusion is the process defined as the reaction where lighter atoms come together and form a heavy nucleus. The nuclear fission is the process in which heavy nucleus is broken into tiny nuclei. The nuclear fusion and nuclear fission are the reactions which release energy in the presence of high power atomic bonds between particles and nucleus. This fusion releases 17.6 MeV of energy.Difference between Nuclear fusion and Nuclear fission In a hydrogen bomb, two isotopes of hydrogen, deuterium and tritium combine and form nucleus of helium and a neutron. Uranium-235 is bombarded with a slow neutron, and it temporarily transforms into a very unstable isotope, uranium-236 Nuclear fusion takes place by the combination of light nuclei like deuterium and tritium and producing heavy nuclei. In nuclear fission, a heavy nucleus like Uranium-235 and Plutonium-239 splits into light nuclei. Unlike fission, fusion does not exhibit any type of chain reaction.Ĭomparison between Nuclear Fission and Nuclear Fusion: The amount of energy released is enormous in the case of fusion. However, fusion can only be attained at a very high temperature. Nuclear fission can take place in room temperature. Nuclear fission and fusion can be considered as just the two opposite reactions. These neutrons further split more nuclei and a series or a chain reaction takes place. In Fission, neutrons are also released along with energy. Due to this collision, this large isotope splits into two or more elements. Fission takes place when the electrical forces are able to overcome the nuclear forces and the nucleus splits.įission takes place when a large isotope is bombarded with a neutron. The nucleus of the element breaks down into two parts. Nuclear fission is a process in which nuclei of heavy elements divides into nuclei of light elements. However, in fusion bombs it is started off by a fission bomb. Nuclear fusion occurs naturally in stars. Apart from this, a lot of safety concern is required to handle the released hot gases. These temperatures are not easy to achieve. Nuclear fusion is carried out with the aid of extremely high temperatures. The most common example of fusion reaction is the fusion of hydrogen taking place in the sun. It happens with respect to the nuclei, as they collide and fuse together in order to form the nuclei of heavier elements. Nuclear fusion reaction involves the process of combining two atoms or more together and forming newer ones. However, fusion emits more energy than fission. Fission is comparatively easy to achieve than fusion. On the other hand in nuclear fission, a nucleus like Uranium-235 and Plutonium-239 splits into lighter nuclei. Nuclear fusion takes place by the combination of light nuclei like deuterium and tritium. Key Difference: Nuclear fission and fusion are two nuclear processes or reactions in which energy is released.
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