Magnesium

Alkaline earth metal

Symbol: Mg

Atomic Number: 12

Standard State: Solid

Atomic Mass: 24.305

Electron Configuration: [Ne]3s2

Electronegativity: 1.31

Atomic Radius: 173

Ionization Energy: 7.646

Melting Point: 923

Boiling Point: 1363

Density: 1.74

Year Discovered: 1808