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Basic proportion question?

  1. Apr 27, 2012 #1
    Hello all,
    It seems I've forgotten a lot about basic math since Algebra one. I need some helpcreating a simple formula. I know that ionization density is proportional to the square of the charge (Ze). How would I express this mathematically?
  2. jcsd
  3. Apr 27, 2012 #2

    [tex]ID = k(Ze)^2[/tex] with k being the constant of proportionality

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