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13 magnesium ← aluminium → silicon B ↑ Al ↓ Ga
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] 3s2 3p1
Electrons per shell	2, 8, 3
Physical properties
Phase	solid
Density (near r.t.)	2.70 g·cm−3
Liquid density at m.p.	2.375 g·cm−3
Melting point	933.47 K (660.32 °C, 1220.58 °F)
Boiling point	2792 K (2519 °C, 4566 °F)
Heat of fusion	10.71 kJ·mol−1
Heat of vaporization	294.0 kJ·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 at T/K 1482 1632 1817 2054 2364 2790
Atomic properties
Crystal structure	face centered cubic 0.4032 nm
Oxidation states	3 (amphoteric oxide)
Electronegativity	1.61 (Pauling scale)
Ionization energies (more)	1st: 577.5 kJ·mol−1
	2nd: 1816.7 kJ·mol−1
	3rd: 2744.8 kJ·mol−1
Atomic radius	125 pm
Atomic radius (calc.)	118 pm
Covalent radius	118 pm
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) 5000 m·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 Al stable ya kambe ning 14 neutrons
References
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[edit] Dalerayan

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

[edit] Suglung Palwal

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• WebElements.com – Aluminium
• World production of primary aluminum, by country
• Social and Environmental Impact of the Aluminium Industry
• History of Aluminium

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