How to Write the Orbital Diagram for Gadolinium?
Gadolinium (Gd) packs 64 electrons around its nucleus. These electrons fill shells in a specific order, but a simpler way to look at it focuses on the outer electrons. Like other lanthanides, Gadolinium has 7 electrons filling its 4f subshell and 2 electrons in the outermost shell, which is denoted by 6s.