Technical data for Aluminum

Overview
NameAluminum
SymbolAl
Atomic Number13
Atomic Weight26.981538
Density2.7 g/cm3
Melting Point660.32 °C
Boiling Point2519 °C

Thermal properties
PhaseSolid
Melting Point660.32 °C
Boiling Point2519 °C
Absolute Melting Point933.47 K
Absolute Boiling Point2792 K
Heat of Fusion10.7 kJ/mol
Heat of Vaporization293 kJ/mol
Heat of CombustionN/A
Specific Heat904 J/(kg K)[note]
Thermal Conductivity235 W/(m K)
Thermal Expansion0.0000231 K-1

Bulk physical properties
Density2.7 g/cm3
Density (Liquid)2.375 g/cm3
Molar Volume9.99×10-6
Brinell Hardness245 MPa
Mohs Hardness2.75 MPa
Vickers Hardness167 MPa
Bulk Modulus76 GPa
Shear Modulus26 GPa
Young Modulus70 GPa
Poisson Ratio0.35
Refractive IndexN/A
Speed of Sound5.1×103 m/s
Thermal Conductivity235 W/(m K)
Thermal Expansion0.0000231 K-1

Reactivity
Valence3
Electronegativity1.61
ElectronAffinity42.5 kJ/mol
Ionization Energies
577.5, 1816.7, 2744.8, 11577, 14842, 18379, 23326, 27465, 31853, 38473 kJ/mol

Health and Safety
Autoignition Point400 °C
Flashpoint645 °C

Classifications
Alternate NamesAluminium
Nams of AllotropesNone
Blockp
Group13
Period3
Electron Configuration[Ne]3s23p1
ColorSilver
Discovery
1825 in Denmark
Gas phaseN/A
CAS NumberCAS7429-90-5

Electrical properties
Electrical TypeConductor
Electrical Conductivity3.8×107 S/m
Resistivity2.6×10-8 m Ω
Superconducting Point1.175

Magnetic properties
Magnetic TypeParamagnetic
Curie PointN/A
Mass Magnetic Susceptibility7.8×10-9
Molar Magnetic Susceptibility2.1×10-10
Volume Magnetic Susceptibility0.0000211

Abundances
% in Universe0.005%
% in Sun0.006%
% in Meteorites0.91%
% in Earth's Crust8.1%
% in Oceans5×10-7%
% in Humans0.00009%

Atomic dimensions and structure
Atomic Radius118 pm
Covalent Radius118 pm
Van der Waals RadiusN/A
Crystal StructureFace Centered Cubic
Lattice Angles
π/2, π/2, π/2
Lattice Constants
404.95, 404.95, 404.95 pm
Space Group NameFm_ 3m
Space Group Number225

Nuclear Properties
Half-LifeStable
LifetimeStable
Stable Isotopes
27Al
Isotopic Abundances
27Al100%

Notes on the properties of Aluminum:
Specific Heat: Value given for solid phase.