The periodic table, also known as the periodic table of the elements, is an ordered arrangement of the chemical elements into rows (“periods”) and columns (“groups”). It is an icon of chemistry and is widely used in physics and other sciences. It is a depiction of the periodic law, which states that when the elements are arranged in order of their atomic numbers an approximate recurrence of their properties is evident.

https://en.m.wikipedia.org/wiki/Periodic_table

That being said, the whole point of a quick-lookup reference chart is to be a… well…

Edit: this was supposed to be on the main post, not the furniture joke, but… well…