Maximum unpaired electrons in an atom

xiphoid
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Homework Statement


If there are 13 electrons in M shell and one electron in N shell, the the number of unpaired electrons in such atom will be


Homework Equations


M- shell N- shell


The Attempt at a Solution


The configuration should be
3s2 3p6 3d5 4s1
hence the answer should be 6
 
Physics news on Phys.org
Yup, that's the configuration of Chromium.
 

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