1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

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
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook