according to which rule electron enters into 4s orbital of 3d?
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Hi friend,
The above condition is based on the "Aufbau's principle" who gives the laws for the stability of energies of the orbitals.
According to the aufbau principle the 4s orbital is lower in energy than the 3d orbital hence, it is filled first. However, when we consider a transition metal complex this does not apply; the 3d orbital is filled before the 4s orbital.
It is not applicable to transitionelements as we roves the last electron from the 3d orbitals.
Hope this helped you a little!!!!
The above condition is based on the "Aufbau's principle" who gives the laws for the stability of energies of the orbitals.
According to the aufbau principle the 4s orbital is lower in energy than the 3d orbital hence, it is filled first. However, when we consider a transition metal complex this does not apply; the 3d orbital is filled before the 4s orbital.
It is not applicable to transitionelements as we roves the last electron from the 3d orbitals.
Hope this helped you a little!!!!
narendermodi127:
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