Periodic table of the elements
SodiumMagnesiumAluminium
12
Mg
Magnesium
24.3050
2
8
2
12
Mg
Magnesium
24.3050
2
8
2
General
NameMagnesium
SymbolMg
Number12
Chemical seriesAlkaline earth metals
Group / Period2 / 3
Blocks-block
CAS registry number7439-95-4

Physical properties
Statesolid
Density1.738 g/cm3
Melting point923 K (650°C, 1202°F)
Boiling point1363 K (1090°C, 1994°F)
Critical point

Atomic properties
Atomic Weight24.3050 g/mol
Crystal structurehexagonal
Electronegativity1.31
Atomic radius150 pm
Atomic radius (calculated)145 pm
Electron configuration[Ne] 3s2
Electrons per shell2, 8, 2
Number of protons12
Number of neutrons12

Other languages
SpanishMagnesio
PortugueseMagnésio
FrenchMagnésium
GermanMagnesium
ItalianMagnesio
RussianМагний
PolishMagnez
Chinese
Arabicمغنسيوم
TurkishMagnezyum
DutchMagnesium


Periodic table of the elements
SodiumMagnesiumAluminium