magnesium
Instance URI: http://resource.geosciml.org/classifier/cgi/commodity-code/magnesium
Within scheme: South Australian Commodity Codes
Magnesium is a chemical element with the symbol Mg and atomic number 12. Its common oxidation number is +2. It is an alkaline earth metal and the eighth-most-abundant element in the Earth's crust and ninth in the known universe as a whole.