ionize = Energy - An ion is an atom or group of atoms with an electric charge. A negatively charged ion, which has gained one or more electrons is known as an anion. A positively charged ion, which has lost one or more electrons is known as a cation (pronounced cat eye on).
The process of producing ions is called ionization or to ionize. Ionized atoms or groups of atoms are denoted by a superscript n+ or n-, where n is the number of electron lost or gained. ionize = energy true dat.