Observing Nuclear Radiation

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Process of Radiation

  • The nuclei of radioactive substances are unstable. They bcome stable by radioactive decay. In this process, they emit radiation and turn into other elements.
  • The three types of radiation emitted are: alpha radiation; beta radiation; gamma radiation.
  • A radiaoactive substance contains unstable nucleithat becomes stable by emitting radiation.
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Radioactive Decay

  •  Unstable nuclei become stable by radioactive decay. In this process, they emit radiation and turn into other elements.
  • We cannot predict when an unstable nucleus will decay. It is a random process and is not affected by external conditions.
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Background Radiation

  • Background radiation is around us all the time. This is radiation from radioactive substances in the enviroment, from space, from devices such as X-ray tubes.
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