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Partial half-life

  1. Sep 30, 2015 #1
    1. The problem statement, all variables and given/known data
    What are the partial half of 22Na for decay by
    b) β+ emission

    2. Relevant equations

    3. The attempt at a solution
    this what I do
    T1/2 =2.602 Yr


    λ=0.266 yr-1

    what is the difference between
    b) β+ emission
    there is no Percentage of each decay type.!
  2. jcsd
  3. Sep 30, 2015 #2


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    Of course there is. You can look it up in any table of decays or find it online by doing a quick Google search!
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