In [Cu(NH₃)₄]CO₃, how many 3d electrons does copper have

Name: In [Cu(NH 3 ) 4 ]CO 3 , how many 3d electrons does copper have
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Copper in its free state has an electron configuration of [Ar] 3d^10 4s^1. In the complex given, copper is in a +2 oxidation state, meaning it has lost two electrons. These electrons are lost from the 4s orbital first and then from the 3d orbital, leaving copper with 9 electrons in the 3d orbital.

In [Cu(NH3)4]CO3, How Many 3d Electrons Does Copper Have

In [Cu(NH₃)₄]CO₃, How Many 3d Electrons Does Copper Have