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Vocabulary Definition
Alpha particleWeakest type of nuclear radiation
Artificial TransmutationChanging of one element into another by unnatural means
Gamma RayHigh frequency electro magnetic wave released during gamma decay
Beta ParticleElectron, created in the nucleus of an atom, released during beta decay
Binding energyEnergy associated with a strong nuclear force that holds an atomic nucleus together
Decay SeriesSequence of steps by which a radioactive nucleus decays into a non-radioactive nucleus
Half-lifeThe amount of time it takes for half the atoms in a given sample of an element to decay
Radioactive decayProcess by which a nucleus spontaneously emits particles or rays to become lighter or more stable
RadioactivityRelease of energy and matter that results from changes in the nucleus of an atom
TracerRadioactive element whose pathway can be followed through the steps of a chemical reaction or industrial process
TransmutationProcess in which one element is changed into another as the result of changes in the nucleus
Nuclear chain reactionSeries of fission reactions that occur because of products released during one fission reaction cause fission reaction in other atoms
Nuclear FissionSplitting of an atom nucleus into two smaller particles of the same mass
Nuclear fusionJoining of two atom nuclei into a single nucleus of larger mass
Transuranium elementElement formed synthetically; more than 92 protons in its nucleus
Critical Massa size, number, or amount large enough to produce a particular resul
Nuclear reactorAn energy plant that uses uranium as a fuel source to boil water for energy