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Ground or excited states.Please check.

  • Thread starter el123
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  • #1
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Homework Statement



State wether atom is in ground or excited state.

Homework Equations



A.1s22s22p3
B.1s22s22p63s23p64s23d104p55s24d7
C.1s22s22p63s23p64s23d6

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!!
 

Answers and Replies

  • #2
Borek
Mentor
28,327
2,713
5s is full. But you are probably on the right track.
 
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