That’s So-dium Funny
This author was very knowledgeable about the periodic table and the element’s features. However, not all of the readers were aware of this. The chemical symbol for sodium is n since S is sulfur. They translated natrium to sodium in Latin because S is sulfur, so they represented Sodium after the word natrium.
In all honesty, there are a lot of individuals who wouldn’t be able to tell you off the top of their heads. However, the setup was too enticing to pass up, and while the individual replying to this gag appears to have good intentions, we’re sure their middle school science instructor would be shaking their head right now.