A. Sodium . . . Element #11 on the Periodic Table; when combined with other stuff as a chemical compound, it can make salt, Drano, and Alka-Seltzer
B. Carbon Dioxide . . . compound, made of elements Carbon and Oxygen
; produced when wood or gasoline burns; comes out of your lungs when you breathe out; air has a little bit of it, which is getting to be too much
C. Dihydrogen Monoxide . . . compound, made of elements Hydrogen and Oxygen, usually known by its popular name: "Water".
D. Magnesium Sulfate . . . compound, made of elements Magnesium and Sulfur; I don't know anything about this compound.
