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(Created page with "* The spontaneous disintegration of atomic nuclei. * The spontaneous emission of radiation, generally alpha or beta particles, often accompanied by gamma rays, from the nucleu...")
 
 
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* The spontaneous disintegration of atomic nuclei.
 
* The spontaneous disintegration of atomic nuclei.
 
* The spontaneous emission of radiation, generally alpha or beta particles, often accompanied by gamma rays, from the nucleus of an unstable isotope. Also, the rate at which radioactive material emits radiation. Measured in units of becquerels or disintegrations per second. Source: U.S. Nuclear Regulatory Commission
 
* The spontaneous emission of radiation, generally alpha or beta particles, often accompanied by gamma rays, from the nucleus of an unstable isotope. Also, the rate at which radioactive material emits radiation. Measured in units of becquerels or disintegrations per second. Source: U.S. Nuclear Regulatory Commission
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Latest revision as of 20:40, 13 September 2019

  • The spontaneous disintegration of atomic nuclei.
  • The spontaneous emission of radiation, generally alpha or beta particles, often accompanied by gamma rays, from the nucleus of an unstable isotope. Also, the rate at which radioactive material emits radiation. Measured in units of becquerels or disintegrations per second. Source: U.S. Nuclear Regulatory Commission