Nuclear Fission, A nuclear reaction in which a heavy atomic nucleus splits into two or more lighter nuclei, releasing a large amount of energy., Nuclear Fusion, A nuclear reaction in which two or more atomic nuclei are combined to form one or more larger nuclei, releasing a large amount of energy., Radioactivity, The spontaneous emission of radiation from the nuclei of unstable atoms., Half-Life, The time taken for the number of nuclei in a radioactive substance to halve., Alpha Decay, A type of radioactive decay in which an atomic nucleus emits an alpha particle, consisting of two protons and two neutrons., Beta Decay, A type of radioactive decay in which an atomic nucleus emits an electron or a positron., Gamma Decay, A type of radioactive decay in which an atomic nucleus emits a gamma ray, a high-energy photon., Mass Defect, The difference between the mass of an atomic nucleus and the sum of the masses of its individual nucleons (protons and neutrons)., Binding Energy, The energy required to disassemble an atomic nucleus into its constituent protons and neutrons. It is a measure of the stability of a nucleus., Binding Energy per Nucleon, The average binding energy per nucleon in a nucleus, calculated by dividing the total binding energy by the number of nucleons in the nucleus., Mass-Energy Equivalence, The principle, derived from Einstein's theory of special relativity, that mass and energy are equivalent and can be converted into each other. The mass-energy equivalence is expressed by the equation E=mc^2, where E is energy, m is mass, and c is the speed of light..

Nuclear Physics

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