There are three types of bonds in chemistry: ionic, covalent, and metallic bonds. In this article, we will look at the differences between ionic and covalent bonds.

A covalent bond is a shared pair of electrons. Covalent bonding results in the formation of molecules. Simple molecular substances have low melting and boiling points, and do not conduct electricity.

Katherine Bourzac is a freelance journalist in San Francisco, California. For a little more than a century, chemists have known that strong atomic links called covalent bonds are formed when atoms ...