Magnesium was discovered by Sir Humphrey Davy at 1755 in England.
Origin of name: from the Greek word "Magnesia", a district of Thessaly.
Atomic Number: 12
Atomic Weight: 24.3050
Melting Point: 923 K (650°C or 1202°F)
Boiling Point: 1363 K (1090°C or 1994°F)
Density: 1.74 grams per cubic centimeter
Phase at Room Temperature: Solid
Element Classification: Metal
Period Number: 3 Group Number: 2 Group Name: Alkaline Earth Metal