I remember having to memorize the periodic table in high school, not sure if I could tell you how I use that information in my graphic design career. Here are two periodic tables that are much more relative.
The Periodic table of Branding created by Kolbrener, where you rollover each branding element and see the definition:
Built by Kolbrener, a lead generation agency
Another fun table is the Periodic table of Colorments:
Here you can find all the elements on the periodic table represented by 5 colors. This was created by a person very passionate about color.