After taking a closer look at the "finished product," I noticed that some of the elements on the chart are incorrectly categorized. The list of those elements (so far) is:
Astatine (At)
Categorized as noble gas, should be halogen
Radon (Rn)
Categorized as alkali metal, should be noble gas
Francium (Fr)
Categorized as alkaline earth metal, should be alkali metal
Radium (Ra)
Categorized as an actinide, should be alkaline earth metal
After taking a closer look at the "finished product," I noticed that some of the elements on the chart are incorrectly categorized. The list of those elements (so far) is:
I will extend this list as more errors are found.