| Symbol |
Mg |
|
| Atomic Number |
12 |
Relative Atomic Mass
12C = 12.0000 |
24.3050 |
Atomic Radius
pm |
160 |
First Ionisation Energy
kJ mol-1 |
737.7 |
| Electronegativity |
1.31 |
Density
kg m-3 |
1738 [293 K]
1585 [l., m.p.] |
Molar Volume
cm3 |
13.98 |
Thermal Conductivity
W m-1 K-1 |
156 [300 K] |
Melting Point
K |
922.0 |
Boiling Point
K |
1363 |
| Number of Isotopes |
12 |
Ground State Electron
Configuration |
[Ne]3s2 |
| Term Symbol |
1S0 |
| Discovery |
Discovered by J. Black (Edinburgh, Scotland) in 1755 and isolated by Sir. H. Davey in 1808 |
| Name Derived From |
Greek Megnesia meaning 'district of Thessaly' |
Name in Other
Languages |
 Croatian | Magnezij |
 Danish | magnesium |
 Dutch | magnesium |
 Finnish | magnesium |
 French | megnésium |
 German | Magnesium |
 Italian | magnesio |
 Norwegian | magnesium |
 Portuguese | magnésio |
 Spanish | magnesio |
 Swedish | magnesium |
| Peter van der Krogt's Element Multidict - element name translations in over 48 langauges |
