Chemical ElementsOnline version In this game, players must determine whether the given nouns are actual chemical elements or not. Answer ✅ for elements and ❌ for anything else. Test your knowledge of the periodic table and see how many you can get right! by Svetlana 1 Iron Yes No 2 Carbon Yes No 3 Sugar Yes No 4 Concrete Yes No 5 Salt Yes No 6 Silver Yes No 7 Acid Yes No 8 Gold Yes No 9 Sodium Yes No 10 Oxygen Yes No 11 Water Yes No 12 Copper Yes No 13 Helium Yes No 14 Plastic Yes No 15 Glass Yes No 16 Gasoline Yes No 17 Hydrogen Yes No 18 Wood Yes No 19 Neon Yes No 20 Air Yes No