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How the radioactive decay depends on total mass of the element?

  1. Mar 11, 2009 #1
    how the decay depends on total mass of the radioactive element?
    is it necessary that all the atoms of the element keep contact among them, for the above case?
     
  2. jcsd
  3. Mar 11, 2009 #2

    tiny-tim

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    Hi sanjibghosh! :smile:

    If there's no chain reaction, then the atoms decay independently, and so it doesn't matter where the individual atoms are :wink:
     
  4. Mar 11, 2009 #3
    ok ,when the atoms decay independently then they follow simple probability rule (?).
     
  5. Mar 11, 2009 #4

    tiny-tim

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    yes :smile:
     
  6. Mar 11, 2009 #5
    thank you 'tiny-tim'
     
  7. Mar 12, 2009 #6
    In the case of beryllium 7 (proton rich nucleus), which decays by the capture of an atomic electron from the K-shell (53 day half life), the lifetime can be changed slightly by putting it in different environments. or by putting it in a crystal lattice.
     
    Last edited: Mar 12, 2009
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