Half Life-P4

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  • Created by: Shannon
  • Created on: 18-03-13 17:55
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  • Half Life
    • Alpha- Helium nucleus
    • Beta- fast moving electron
    • Radioactive Decay
      • Spontaneous and irreversible
      • New element  is formed
      • Rate is given by half-life
        • Property of isotope
    • Amount of time taken, on average, for half of the nuclei present to decay
      • 238U (100%)-1hl, 50%-1hl, 25%-1hl


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