Provide the electron configuration for each element then determine the magnetic property of each.
Cl
There is one unpaired electron in p orbital.
Cl atoms are paramagnetic although weak.
Cu2+
There is one unpaired electron in its outermost energy level.
So Cu2+ compounds are paramagnetic in nature.
is diamagnetic, it has 10 electrons which are paired.
It is diamagnetic. All electrons are paired.
It has 8 unpaired electrons (4f7 and 5d1 )
And its sum of spin
Therefore it is ferromagnetic material.
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