Magnesium is metal in group IIA of the periodic table with the atomic number 12, an atomic weight of 24.312, a density of 1.74 Mg/m 3, and a melting temperature of 650 C. The electronic configuration ...

Every element in the periodic table is represented by a unique chemical symbol, like O for Oxygen or Mg for Magnesium.Chemical formulas represent compounds or elements where more than one atom are ...