Chapter 16 science study flashcards radioactivity
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each of the black spaces below before clicking
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Radioactivity | The process in which an unstable nucleus gives off nuclear radiation.
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Alpha Decay | Alpha particle released from nucleus, decreases atomic number by 2.
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Beta Decay | Loses electron, changes atomic number. No change in mass number.
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Alpha Particle | (Stopped by paper) Positive electric charge, 2 protons and 2 neutrons. (Helium Nucleus)
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Beta Particle | (Stopped by aluminum foil) High speed electron or positron lost in nuclear fission.
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Gamma Ray | (Thick piece of lead to stop)
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Or sort by any of the columns using the down arrow next to any column heading.
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