Magneesium
Magneesium, commonly spelled magnesium, is a chemical element with the symbol Mg and atomic number 12. It is the lightest structural metal and the eighth most abundant element in the Earth's crust, making up about 2.1% by mass. Magnesium is an alkaline earth metal in group 2.
It is a silvery-white metal that forms a thin oxide layer in air. It is highly reactive,
Natural sources include magnesite, dolomite, and seawater brines. Commercial production involves extracting Mg from seawater or
Major uses are in lightweight alloys with aluminum for cars and aircraft, magnesium-based components in electronics,
Biologically, magnesium is an essential mineral for most organisms, serving as a cofactor in many enzymes and
Discovered in 1808 by Sir Humphry Davy, magnesium was named after Magnesia in Greece. Handling requires care: