Page 1 of 1

e- configuration regarding 3d and 4s orbitals

Posted: Mon Oct 24, 2016 9:45 pm
by Claire_Zhou_1A
I'm just wondering which one should be written first in an exam.

Re: e- configuration regarding 3d and 4s orbitals

Posted: Mon Oct 24, 2016 10:51 pm
by Chris_Rudewicz_3H
3d.

for example here is Scandium's electron configuration:

[Ar] 3d1 4s2 .

Re: e- configuration regarding 3d and 4s orbitals

Posted: Mon Oct 24, 2016 11:01 pm
by Claire_Zhou_1A
Thanks´╝ü