Fusion generates plenty of energy when we compare it to fission reaction.įinally, fusion needs a lot of heat and pressure for the process to occur whereas fission does not need a lot of energy for splitting an atom into two. Moreover, fission generates a great deal more energy than chemical reactions but not as much as fusion. As you know, fission breaks heavy atom into two or smaller ones whereas fusion brings two or more small atoms together for creating one large atom. Similarly, every star makes use of it for producing energy. ![]() On the other hand, fusion happens when two or smaller atoms blend together and make a larger and heavier atom.įurther, fission does not occur naturally whereas the universe is filled with instances of fusion reactions. One is nuclear fission, where an atom splits into two or smaller, lighter atoms. Difference Between Nuclear Fission and Nuclear Fusionīasically, there are two major nuclear reactions which happen for releasing energy because of the presence of high-powered atomic bonds between particles present within a nucleus. Approximately 600 million tons of hydrogen convert into Helium every second in the sun. This temperature together with incredibly high pressure, two isotopes of Hydrogen, Deuterium, and Tritium combine for forming Helium and releases the enormous amount of energy in the form of heat. The temperature at the sun’s core is approximately 15 million degrees Celsius. The pressure at the core of any star is immensely high and that is where the nuclear fusion reaction occurs. It is because of this process that they create such an astonishing amount of heat and energy. If you look at it closely, you will understand that every star in the universe, as well as the sun, is alive because of nuclear fusion. Moreover, both nuclear fusion and fission generate a substantial amount of energy. Further, it is the opposite of nuclear fission reaction as in there, heavy elements diffuse and create lighter elements. This reaction occurs with elements which have a low atomic number, like hydrogen. Nuclear fusion refers to a reaction through which two or more light nuclei collide into each other for forming a heavier nucleus. One class of nuclear weapon is the hydrogen bomb, which uses a fission reaction to "trigger" a fusion reaction.2 FAQ on Nuclear Fusion Introduction to Nuclear Fusion One class of nuclear weapon is a fission bomb, also known as an atomic bomb or atom bomb. The energy released by fusion is three to four times greater than the energy released by fission. The energy released by fission is a million times greater than that released in chemical reactions but lower than the energy released by nuclear fusion. Takes little energy to split two atoms in a fission reaction.Įxtremely high energy is required to bring two or more protons close enough that nuclear forces overcome their electrostatic repulsion. High density, high temperature environment is required. ![]() ![]() The main difference between these two processes is that fission is the splitting of an atom into two or more smaller ones while fusion is the fusing of two or more smaller atoms into a larger one.įission is the splitting of a large atom into two or more smaller ones.įusion is the fusing of two or more lighter atoms into a larger one.įission reaction does not normally occur in nature.įission produces many highly radioactive particles.įew radioactive particles are produced by fusion reaction, but if a fission "trigger" is used, radioactive particles will result from that.Ĭritical mass of the substance and high-speed neutrons are required. ![]() Nuclear fusion and nuclear fission are two different types of energy-releasing reactions in which energy is released from high-powered atomic bonds between the particles within the nucleus.
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