Alumíniu

13 magnesium←aluminium→silicon B ↑ Al ↓ Ga Periodic Table-Extended Periodic Table
General
Lagyu,Symbulu,Numeru	aluminium, Al, 13
Chemical series	poor metals
Lupung,Period,Bloki	13,3,p
Itsura	silvery
Standard atomic weight	26.9815386(8) g·mol−1
Electron configuration	[Ne] 3s23p1
Electronspershell	2, 8, 3
Physical properties
Phase	solid
Density(nearr.t.)	2.70 g·cm−3
Liquiddensityatm.p.	2.375 g·cm−3
Melting point	933.47K (660.32 °C,1220.58 °F)
Boiling point	2792K (2519 °C,4566 °F)
Heat of fusion	10.71kJ·mol−1
Heat of vaporization	294.0kJ·mol−1
Heat capacity	(25 °C) 24.200 J·mol−1·K−1
Vapor pressure P/Pa 1 10 100 1 k 10 k 100 k atT/K 1482 1632 1817 2054 2364 2790
Atomic properties
Crystal structure	face centered cubic 0.4032 nm
Oxidation states	3 (amphotericoxide)
Electronegativity	1.61 (Pauling scale)
Ionization energies (more)	1st: 577.5kJ·mol−1
	2nd: 1816.7 kJ·mol−1
	3rd: 2744.8 kJ·mol−1
Atomic radius	125pm
Atomic radius (calc.)	118pm
Covalent radius	118pm
Miscellaneous
Magnetic ordering	paramagnetic
Electrical resistivity	(20 °C) 26.50 nΩ·m
Thermal conductivity	(300 K) 237 W·m−1·K−1
Thermal expansion	(25 °C) 23.1 µm·m−1·K−1
Speed of sound(thin rod)	(r.t.) (rolled) 5000m·s−1
Young's modulus	70 GPa
Shear modulus	26 GPa
Bulk modulus	76 GPa
Poisson ratio	0.35
Mohs hardness	2.75
Vickers hardness	167 MPa
Brinell hardness	245 MPa
CAS registry number	7429-90-5
Selected isotopes
Main article:Isotopes of aluminium iso NA half-life DM DE(MeV) DP 26Al syn 7.17×105y β+ 1.17 26Mg ε - 26Mg γ 1.8086 - 27Al 100% Ing Alstableya kambe ning 14neutrons
References

Lawen ya rin

• Aluminium alloy
• Aluminium battery
• Aluminium in Africa
• Beverage can
• Category:Aluminium compounds
• Category:Aluminium companies
• Aluminium foil

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Aluminium

Look upaluminiuminWiktionary,the free dictionary.

• WebElements.com – Aluminium
• World production of primary aluminum, by country
• Social and Environmental Impact of the Aluminium IndustryArchivedEneru 10, 2006 at theWayback Machine
• History of AluminiumArchivedPebreru 7, 2006 at theWayback Machine