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17 Cards in this Set
- Front
- Back
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Bequevel
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discovered radioactivity
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E=MC^2
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energy=(mass)(speed of light)
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Atomic Number
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number of protons
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Law of conservation of energy
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energy is never created or destroyed just transfered
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Mass number
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protons+neutrons
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Stable Isotopes
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remain unchanged
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Radioactive isotopes
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spontaneous emission of energy or radiation from atoms
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Alpha Decay
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atom's spontaneous release of particle composed of 2 protons and 2 neutrons
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Beta Decay
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emission of high energy electrons
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Gamma Decay
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electromagnetic radiation due to an electon moving from a ground state to an excited state and back down again
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Ionization
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stripping electrons from a gas
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Half life
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average time for half of the collection of radioactive isotopes/atoms to decay
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Radiometric Dating
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measurement of half life of materials using Carbon 14
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Decay Chains
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mapping transformations/decays of radioactive isotopes
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Nuclear Fission
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splitting of nucleus produce alot of energy
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Nuclear Reactor
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radioactivity heats water to make stream turns turbine which generates energy
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Nuclear Fusion
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some of mass is converted to energy
***cental fuel of hydrogen bomb |
