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Half Life of an Isotope!

  1. Feb 20, 2006 #1
    Hello All,

    I would like to know how would I go about determining the half life of an isotope when this infoormation is give to me:

    Mass Remaining of the Isotope
    0.0 40.00
    3.0 20.00
    6.0 10.00
    9.0 5.00
    12.0 2.50
    15.0 1.25
    18.0 0.63
  2. jcsd
  3. Feb 20, 2006 #2
    Would the half life be at how many hours 0 mass of the isotop remains?? Please help :cry: :frown:
  4. Feb 20, 2006 #3


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    "Half life" refers to the interval of time required for the remaining amount of the isotope to be half of the original amount. The half life in your example should be quite evident from the data you provided.
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