- #1
el123
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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 isn't 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 I've done wrong. Thanks!