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10 Terms
Alpha particle
A helium nucleus
Artificial transmutation
a transmutation caused by bombarding a nucleus with a high-energy particle, such as a neutron or an alpha particle
Beta particle
high energy electrons whose source is an atomic nucleus
Fission
splitting of large nuclei into middle weight nuclei and neutrons
Fusion
the combining of light nuclei into a heavier nucleus
Gamma ray
high energy ray similar to an X ray
Half-life
the length of time for half of a given sample of a radioisotope to decay
Radioisotope
an unstable nucleus that is radioactive
Tracer
a radioisotope used to track a chemical reaction
Transmutation
the changing of a nucleus of one element into that of a different element
Note 
Flashcards (33)