Orbital Diagram of Gallium

How to write the Orbital Diagram for Gallium?

Gallium (Ga) keeps 31 electrons company around its nucleus. Imagine these electrons filling shells in layers. The innermost shell holds 2 electrons, the second fits 8, and a deeper shell has 18. Unlike Zinc, Gallium has one lone electron venturing out into the outermost shell, ready to bond with other elements.pen_spark

Image showing Orbital Diagram of Gallium
Orbital Diagram of Gallium