Magnesium

Mg
Magnesium
Alkali Earth Metal

 

Atomic number:
 12
Atomic weight:
 24.3050
Shells:
 2,8,2
Orbitals:
 [Ne] 3s2
Melting point:
 648.8°C
Boiling point:
 1090°C
Covalent radius:
 1.36
Å
Atomic volume:
 13.97
cm³/mol
Atomic radius:
 1.72
Å
Ionic radius:
 .72 (+2)
Å
Electronegativity:
 1.31
Oxidation states:
 
1st ionization pot.:
 7.6462
V
2nd ionization pot.:
 15.035
V
3rd ionization pot.:
 80.143
V
Specific heat:
 1.02
J/gK
Heat of fusion:
 8.954
kJ/mol
Heat of vapor.:
 127.40
kJ/mol
Thermal conduct.:
 1.56
W/cmK
Electrical conduct.:
 0.226
10^6/cm ohm
Density:
 1.738
g/cm³
Valence:
 2