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ATOMIC STRUCTURE AND RADIOACTIVITY, RADIOACTIVE DECAY, NUCLEAR EQUATIONS,…
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RADIOACTIVE DECAY
Multiple forms of radiation can be emitted, including:
An alpha particle ( 2 neutrons and 2 protons, = to a Helium Nucleus)
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HALF LIVES
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The half life of a radioactive isotope is the time it takes fo the number of nuclei in the isotope to halve, OR the time it takes for the count rate of the isotope to fall to half its initial level
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Some atom nuclei are unstable, and so they give out radiation as it changes to stablilize itself. This is called radioactive decay
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