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Homework Help: Valence Orbitals.

  1. Mar 5, 2010 #1
    1. The problem statement, all variables and given/known data

    The electron configuration for three neutral atoms are as follows.


    Indicate which are valence orbitals.
    3. The attempt at a solution


    Please check if i have this corrrect.
  2. jcsd
  3. Mar 6, 2010 #2
    Looks right to me man.
  4. Mar 9, 2010 #3
    Look at B again.
    Which electrons have the highest principal quantum number?
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