pt 8: NYS Chemistry Regents Essential VOCAB

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Nuclear Chemistry

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7 Terms

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Alpha Particle

a helium nucleus (24He) emitted during radioactive

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Beta particle

a high-energy electron or positron emitted during radioactive decay

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Gamma Radiation

high-energy electromagnetic radiation emitted by radioactive nuclei

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Half-life

time required for half of a radioactive sample to decay

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Nuclear Fission

splitting of heavy nuclei into lighter nuclei with energy release

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Nuclear Fusion

combining of light nuclei into heavier nuclei with energy release

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Radioactive Decay

spontaneous breakdown of unstable atomic nuclei