There are 3 types of bonds in this chapter. Ionic, Covalent, and Metallic. Ionic Bonds happen when the electrons transfer completely from atom to atom. Covalent bonds happen when the atoms share the electron instead of transferring completely. So in essence, ionic is giving away electrons while covalent bonds share them. To Learn More Click This------> Ionic Bonds and Covalent Bonds and Metallic Bonds