Notes

The Elements of where f-orbitals are filling are called f-Block Elements. Here the elements enter antipenultimate (or third from the outermost) shell (n-2). They are also known as Inner Transition Elements.

The Elements of where f-orbitals are filling are called f-Block Elements. Here the elements enter antipenultimate (or third from the outermost) shell (n-2). They are also known as Inner Transition Elements.