You can determine what is in a molecule by looking at the formula. This formula says that each molecule of water has 2 atoms of hydrogen and 1 atom of oxygen, all joined together by chemical bonds between the atoms. Sara was in love. My heart has been transferred. Covalent sounds like cooperate.
Cooperation means sharing.
Covalent, like cooperation, means sharing. 3CO is a formula that means 3 molecules of carbon monoxide. In this formula, the number 3 is a coefficient . A coefficient is any number at the beginning of a formula. The coefficient number is the number of molecules represented.