Magnesium

A chemical element, in the periodic table magnesium has the symbol Mg and atom number 12.

Name: Magnesium
Symbol: Mg
Group: Alkali Earth
Crystal Structure: Hexagonal
Atomic number: 12
Atomic weight: 24.305
Shells: 2,8,2
Filling orbital: 3s2
Melt: 638.8°C
Boil: 1090°C
Electronegativity: 1.31
Covalent radius: 1.36 Å
Atomic radius: 1.72 Å
Atomic volume: 13.97 cm/mol
First ionization potential: 7.646 V
2nd ionization potential: 15.035 V
3rd ionization potential: 80.143 V
Oxidation states: 2
Density @ 293 K: 1.738 g/cm
Specific heat: 1.02 J/gK
Heat of vaporization: 127.40 kJ/mol
Heat of fusion: 8.954 kJ/mol
Electrical conductivity: 0.226 10^6/cm ohm
Thermal conductivity: 1.56 W/cmK

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See: Periodic table