Richard Rhodes books "The making of the Atomic Bomb" and "Dark Sun" have some reasonable diagrams to go by.
draw them
See examples of different types of UML diagrams, select which diagrams you need, find a tool to draw UML diagrams.
customer
Atomic energy level diagrams can be found online at Wikipedia and Hyperphisics. The local library may also be a good place to find examples of an atomic energy level diagram.
UML is visual language - various rectangles, ovals, lines, arrows, etc. each having special meaning and used to draw different diagrams.Microsof Visio is software product that you can purchase to draw UML diagrams on your computer. There are many other UML tools that you can get even for free to draw UML diagrams. Or you can draw UML diagrams with a pencil on a piece of paper.
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It is not possible to draw diagrams on this platform.
To draw orbital diagrams, you first need to determine the electron configuration of the element. Then, you place electrons in the orbitals following Hund's rule and the aufbau principle. Finally, represent each electron as an arrow pointing up or down in the orbital diagrams to show the spin of the electron.
You can find free WorkFlow diagrams at the Draw IO website. Once on the page, you can use the tool to create your own workflow diagrams completely free.
You don't really have to be an artist to learn how to draw. You can either teach yourself, get a teacher or get a "How to draw" book- there's plenty out there.
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