Which is the last element in the series of the actinoids? Write the electronic configuration of this element. Comment on the possible oxidation state of this element.
The last element of the actinide group is Lr (lawrencium) with atomic number 103. The most common oxidation state of actinides is +3. In the +3 oxidation state, it is in a stable configuration. The electronic configuration of Lr (103) =
