About the energy necessary to pull out the closest electron of a atom

  1. Dear friends,
    I was wondering what would be the necessary amout of energy to pull out the closest electron of an iron metal. I read that the energy required for the most distant electrons of the iron metal is about 9 thousand KJ/mol.

    Thanks my sages@
  2. jcsd
  3. Simon Bridge

    Simon Bridge 15,311
    Science Advisor
    Homework Helper
    Gold Member

    For bulk iron?
    That would be the work-function ... defining "closest" as the electrons with the least binding energy.
  4. Borek

    Staff: Mentor

    Exactly the same energies are involved in Auger effect.
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