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8OWLS

VocabularyDefinition
Alpha particle Weakest type of nuclear radiation
Artificial Transmutation Changing of one element into another by unnatural means
Gamma Ray High frequency electro magnetic wave released during gamma decay
Beta Particle Electron, created in the nucleus of an atom, released during beta decay
Binding energy Energy associated with a strong nuclear force that holds an atomic nucleus together
Decay Series Sequence of steps by which a radioactive nucleus decays into a non-radioactive nucleus
Half-life The amount of time it takes for half the atoms in a given sample of an element to decay
Radioactive decay Process by which a nucleus spontaneously emits particles or rays to become lighter or more stable
Radioactivity Release of energy and matter that results from changes in the nucleus of an atom
Tracer Radioactive element whose pathway can be followed through the steps of a chemical reaction or industrial process
Transmutation Process in which one element is changed into another as the result of changes in the nucleus
Nuclear chain reaction Series of fission reactions that occur because of products released during one fission reaction cause fission reaction in other atoms
Nuclear Fission Splitting of an atom nucleus into two smaller particles of the same mass
Nuclear fusion Joining of two atom nuclei into a single nucleus of larger mass
Transuranium element Element formed synthetically; more than 92 protons in its nucleus
Critical Mass a size, number, or amount large enough to produce a particular resul
Nuclear reactor An energy plant that uses uranium as a fuel source to boil water for energy
Created by: lillygirl64
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