Periodic table of the elements
MagnesiumAluminiumSilicon
13
Al
Aluminium
26.9815386
2
8
3
13
Al
Aluminium
26.9815386
2
8
3
General
NameAluminium
SymbolAl
Number13
Chemical seriesOther metals
Group / Period13 / 3
Blockp-block
CAS registry number7429-90-5

Physical properties
Statesolid
Density2.70 g/cm3
Melting point933.47 K (660.32 °C, 1220.58 °F)
Boiling point2792 K (2519°C, 4566°F)
Critical point

Atomic properties
Atomic Weight26.9815386 g/mol
Crystal structurecubic face centered
Electronegativity1.61
Atomic radius125 pm
Atomic radius (calculated)118 pm
Electron configuration[Ne] 3s2 3p1
Electrons per shell2, 8, 3
Number of protons13
Number of neutrons14

Other languages
SpanishAluminio
PortugueseAlumí­nio
FrenchAluminium
GermanAluminium
ItalianAlluminio
RussianАлюминий
PolishGlin
Chinese
Arabicألومنيوم
TurkishAlüminyum
DutchAluminium


Periodic table of the elements
MagnesiumAluminiumSilicon