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OpenStudy (anonymous):
why in the electronic configuration of Chromium we write 3d^5 4s^1 rather than 3d^6
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OpenStudy (anonymous):
this reason is too complex by the way how can we figure out that we have to write it as 3d^5 and 4s^1 if i forget this?
OpenStudy (anonymous):
Beats me, I'm not a chemist. It's supposed to be 4s2 3d4 (isn't it?) so I guess you'll just have to remember that chromium is (-1,1) the usual.
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