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Between which layers first stimulation energy

  1. Jul 15, 2007 #1
    I am trying to understand excitement energy. Frank-Hertz experiment says mercury need 4,86eV for 1st excitement energy but i wonder between which orbitals, layers(K,L,M,...) etc.
  2. jcsd
  3. Jul 17, 2007 #2
    In the mercury spectrum, this energy corresponds to the 2.537 Ang line. So, by looking at the spectrum in the Frank Hertz Nobel Lecture (Fig3,p23) you will find the energy levels : [tex]S^{1}_{0} [/tex] to [tex] P^{3}_{1}[/tex]. To understand this, you need to apply the selection rules onto the atomic structure of mercury.

  4. Jul 18, 2007 #3
    This is great. Thank you very much.
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