Magnesium Chloride Symbol

The symbol for magnesium chloride is MgCl2. The "Mg" represents the chemical symbol for magnesium, which has an atomic number of 12 and is a metal. The "Cl" represents the chemical symbol for chlorine, which has an atomic number of 17 and is a non-metal. The "2" after the "Cl" indicates that there are two atoms of chlorine in each molecule of magnesium chloride. The overall compound is an ionic compound, meaning it is held together by electrostatic forces between positively charged magnesium ions and negatively charged chloride ions.