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Fusion releases energy. Electrons are ignored. Each of the elements involved in the reaction is identified by the chemical symbol. At these temperatures, all molecules dissociate into atoms, and the atoms ionize, forming plasma. In fact, fusion reactions are the power sources for all stars, including our sun. Fusion is the reverse process of nuclear fission. These conditions occur in an extremely large number of locations throughout the universe—stars are powered by fusion. Balancing Nuclear Equations Name: Period: There are two types of nuclear reactions: Fission, where a nucleus breaks into two or more pieces, and fusion where two or more nuclei combine to form a new element. The energy from the Sun - both heat and light energy - originates from a nuclear fusion process that is occurring inside the core of the Sun.The specific type of fusion that occurs inside of the Sun is known as proton-proton fusion.. If light nuclei are forced together, they will fuse with a yield of energy because the mass of the combination will be less than the sum of the masses of the individual nuclei. Example 21.6.3 and its corresponding exercise demonstrate the enormous amounts of energy produced by nuclear fission and fusion reactions. For a fusion reaction to occur it is necessary to bring the nuclei so close together that nuclear forces become important and "glue" the nuclei together. Fusion reactions power the Sun and other stars. In a fusion reactor, hydrogen atoms come together to form helium atoms, neutrons and vast amounts of energy. In nuclear reactions, only the nucleus is involved. Nuclear fusion is a process in which two or more atomic nuclei collide at a very high speed and join to form a new type of atomic nucleus that has more mass than any of the starting nuclei. The energy released is related to Einstein's famous equation, E=mc 2. A balanced nuclear reaction equation indicates that there is a rearrangement during a nuclear reaction, but of subatomic particles rather than atoms. Nuclear Reactors. Useful fusion reactions require very high temperatures for their initiation—about 15,000,000 K or more. Nuclear reactions also follow conservation laws, and they are balanced in two ways: The sum of the mass numbers of the reactants equals the sum of the mass numbers of the products. https://www.priyamstudycentre.com/2020/10/nuclear-fusion.html This would be a cleaner, safer, more efficient and more abundant source of power than nuclear fission. Fusion Reactions The concept of nuclear fusion has been described in Chapter 12. https://www.energy.gov/science/doe-explainsnuclear-fusion-reactions Nuclear fusion - Nuclear fusion - Fusion reactions in stars: Fusion reactions are the primary energy source of stars and the mechanism for the nucleosynthesis of the light elements. 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