Atomic and Nuclear Physics Vocabulary – Flashcards
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Mass defect
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Difference in mass between the mass of nucleus and mass of separate nucleons
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Isotopes
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Isotopes of elements are chemically identical but have different atomic masses
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Radiative half life
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The time it takes for the activity to halve
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Nuclear Binding Energy
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the energy released when the nuclide is assembled from its individual components
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Half life
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The time that must take for the initial activity of the radioactive sample to halve
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Nucleon
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Proton or neutron
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Nuclide
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A specific type of an atom, determined by the specific number of protons and neutrons.
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Radioactive decay
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A spontaneous breakdown of a nucleus, resulting in the release of energy and matter of nucleus
