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AP Physics 2
Uranium-238 is a radioactive isotope of uranium that is commonly found in nature. It has 92 protons and 146 neutrons in its nucleus.
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The spontaneous breakdown of an atomic nucleus, resulting in the emission of radiation.
Half-Life: The time it takes for half of the atoms in a sample to undergo radioactive decay.
Fission: A nuclear reaction where the nucleus of an atom splits into two or more smaller nuclei, releasing a large amount of energy.