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