Atomic Number 12     Atomic Mass 24.3050     Density 1.74 g/mL

State solid     Color silvery white     Electronegativity 1.31

Melting Point 648.8°C     Boiling Point 1107°C

Natural Isotopes Mg-24 78.99%   Mg-25 10.00%   Mg-26 11.01%

Abbreviated Electron Configuration [Ne] 3s²

Discovered by Sir Humphrey Davy in 1755.