What’s unusual about this list of elements?
- Protactinium
- Radium
- Praseodymium
- Oxygen
- Iron
- Sulfur
- Silicon
- Oxygen
- Nitrogen
- Aluminum
- Sulfur
Assemble their symbols and you get PaRaPrOFeSSiONAlS.
Other long “chemistry words”: HYPoThAlAmICoHYPoPHYSeAlS and PNEuMoCYSTiS CArInII PNEuMoNiAs.