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Energy of an electron in hydrogen!

  1. Oct 24, 2012 #1
    What is the energy of an electron in the 2s orbital of a hydrogen atom?



    I thought En = -RZ^2 / n^2

    Why am i not getting the right answer with

    Z = 1
    n = 2
    and R just the value of the constant
     
  2. jcsd
  3. Oct 25, 2012 #2

    AGNuke

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    Gold Member

    [tex] E = -13.6 \frac{z^2}{n^2}eV[/tex]
     
  4. Oct 25, 2012 #3

    Redbelly98

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    If you don't tell us what answer you got, it is difficult to say why it is wrong.
     
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