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14 Cards in this Set
- Front
- Back
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Ever-present radiation from environment...
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background radiation
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Radiation with enough energy to knock electrons from atoms and molecules, converting them into ions..
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Ionizing radiation
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A particle equal in mass but opposite incharge to the electron
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Positron (B+)
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Process in which the nucleus absorbs an electron from an inner shell
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Electron Capture (EC)
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The period in which one-half of the original # of atoms undergo radioactive decay to form a new element...
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half-life
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The dating of artifacts derived from plants or animals usually involves..
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Carbon 14 dating
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Changing one element into another
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Transmutation
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Transmutation occuring due to radioactivity...often natural radioactivity...
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Artificial transmutation
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Einstein is most well known for what 2 things?
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Theory of Relativity
Mass-Energy Equation (E=mc2) |
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Energy holding nucleons together in the nucleus...
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Binding energy
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Uranium nuclei splitting apart...
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Nuclear Fission
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Neutrons released in the fission of one atom trigger it in the next atom...
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Chain reaction
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Amount of uranium-235 needed to sustain a fission reaction...
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criticalmass
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Intense temp on the sun cause nuclei to fuseand release unimaginable amt of energy...
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Thermonuclear Reactions (sun)
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