How to write the Orbital Diagram for Neptunium?
Neptunium (Np), with 93 electrons, has the electron configuration [Rn] 5f⁴ 6d¹ 7s². This notation reflects filled inner shells similar to radon (Rn), but with four electrons in the 5f subshell, one in the 6d, and two outermost in the 7s subshell.
