The electronic configuration of Fe3+ in its ground state is what?
The electronic configuration of Fe3+ in its ground state can be determined by removing 3 electrons from the neutral state of the Fe atom. The electronic configuration of a neutral Fe atom is [Ar] 3d6 4s2.
When 3 electrons are removed from Fe, the first electrons to be removed would be from the 4s orbital, followed by three electrons from the 3d orbital. This gives the electronic configuration of Fe3+ as [Ar] 3d5.
So, the electronic configuration of Fe3+ in its ground state is [Ar] 3d5.