â Free marketâ is a summary term for an array of exchanges that take place in society. Each exchange is undertaken as a voluntary agreement between two people or between groups of people represented by agents. These two individuals (or agents) exchange two economic goods, either tangible commodities or nontangible services.
Magnesium - Mg. Chemical properties of magnesium - Health effects of magnesium - Environmental effects of magnesium. Magnesium. Chemical element, metallic, symbol Mg, situated in group IIa in the periodic table, atomic number: 12, atomic weight: 24,312. Magnesium is silvery white and very light. Its relative density is 1,74 and itâs density 1740 kg/m3 (0.063 lb/in3 or 108.6 lb/ft3).
Magnesium chloride predominantly exists as various hydrates, hexahydrate particularly MgCl2 *6H2O which is having the molecular weight of 203.301 g/mol. Occurs as a natural mineral Bischofite, magnesium chloride hexadyrate named after a german geologist Karl Gustav Bischo.