Asked by sh
Write the core notation of
Sr 2+
is it
[Ar] 3d10 4s2 4p6
or
[Ar]4s2 3d10 4p4 5s2
since you subtract from p before s before d
thanks in advance.
Sr 2+
is it
[Ar] 3d10 4s2 4p6
or
[Ar]4s2 3d10 4p4 5s2
since you subtract from p before s before d
thanks in advance.
Answers
Answered by
DrBob222
Neither.
http://www.webelements.com/strontium/atoms.html
http://www.webelements.com/strontium/atoms.html
Answered by
sh
Hmm.. if it's just Sr, then the core notation would be [Kr] 5s2, then you minus 2 electrons to [Kr]5s0?
Answered by
DrBob222
That's right.
Sr^+2 = [Kr]. I don't suppose its necessary to put 5s<sup>o</sup> but I don't think it's wrong to do it either.
Sr^+2 = [Kr]. I don't suppose its necessary to put 5s<sup>o</sup> but I don't think it's wrong to do it either.
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