WebNuclear fission is a kind of nuclear reaction.It is when an atom splits apart into smaller atoms. Some fission reactions give off a lot of energy, and are used in nuclear weapons and nuclear reactors.Nuclear fission was discovered in December 1938 by physicists Lise Meitner and Otto Frisch, who observed a uranium nucleus splitting in two. WebThe meaning of FISSION is a splitting or breaking up into parts. Most atoms do not fission, but the isotopes of certain elements, such as uranium-235, are fissile. — Washington Post, 28 Apr. 2024 The point is that by analyzing the array of radioactive fission products – …
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WebThe energy that holds together the nucleus of an atom is called nuclear, or atomic, energy. Atoms are the basic building blocks of matter. The nucleus is the central part of an atom. WebApr 11, 2024 · noun. : reproduction (as cell division, spore formation, fission, or budding) without union of individuals or gametes. fke screws
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WebNuclear fission is the process of splitting apart nuclei (usually large nuclei). When large nuclei, such as uranium-235, fissions, energy is released. So much energy is released that there is a measurable decrease in mass, from the mass-energy equivalence.This means that some of the mass is converted to energy.The amount of mass lost in the fission … WebMar 3, 2024 · The meaning of NUCLEAR FISSION is a process in which the nucleus of a heavy atom is split apart. WebBritannica Dictionary definition of FISSION. [noncount] 1. physics : a process in which the nucleus of a heavy atom is split apart. A large amount of energy is released when fission occurs. — called also nuclear fission. — compare fusion. 2. biology : a kind of reproduction in which a cell or body divides into two or more parts and each ... cannot get sound on zoom