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Homework Help: Ground or excited states.Please check.

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

    State wether atom is in ground or excited state.

    2. Relevant equations

    A.1s22s22p3
    B.1s22s22p63s23p64s23d104p55s24d7
    C.1s22s22p63s23p64s23d6
    3. The attempt at a solution


    A. Ground because all are filled in order.
    B.Excited because the 5s sub-shell isnt quite full.
    C.Ground as all are filled in order.



    Can someone check that i have this correct and if not please explain to me what ive done wrong. Thanks!!
     
  2. jcsd
  3. Mar 6, 2010 #2

    Borek

    User Avatar

    Staff: Mentor

    5s is full. But you are probably on the right track.
     
    Last edited by a moderator: Aug 13, 2013
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