Religion of Magnesium Physical Religion: Magnesium is a bright silver metal. It has a melting point of 850 ° C and a boiling point of 1090 ° C. Chemical properties: Magnesium is very electropositive , so it is a very active and powerful toxin. Being a member of group-2 in the periodic table, its chemical properties are similar to those of calcium. For example, since it has two electrons in the last orbit, its scheme is 2. However, its activity is less than that of calcium.