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Bohr Model Ion problem

  1. Oct 6, 2016 #1
    1. The problem statement, all variables and given/known data
    Consider an electron in the n = 4 level of Li ++. According to the Bohr model, what is the radius of the orbit of the electron?

    2. Relevant equations
    r = .0529 nm

    r(n) = (.0529 nm) x (n2)

    3. The attempt at a solution
    I thought this was pretty obvious? We want to know the radius of an electron in the n=4 level, using the equation does not give the right solution. Why? Why is this not working?
     
  2. jcsd
  3. Oct 6, 2016 #2

    TSny

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    Gold Member

    The formula you are using is for the hydrogen atom. How do you modify this formula to handle Li++?
     
  4. Oct 6, 2016 #3
    Multiply equation by 3?
     
  5. Oct 6, 2016 #4
    Got it, thanks!
     
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