COâ‚‚, carbon dioxide. The formula of a compound shows how many ... Water is a compound of hydrogen and oxygen. The symbols H for hydrogen and O for oxygen are used to represent Hâ‚‚O.
When solid magnesium reacts with sulfuric acid solution, it fizzes as a gas is produced.The products are hydrogen gas, and the salt magnesium sulfate. The symbol for magnesium is Mg, and sulfuric ...