Template:Infobox aluminium

[[Category:Template:Pagetype with short description]]

Aluminium, ₁₃Al

File:Aluminium-4.jpg
Aluminium
Pronunciation	aluminium: /ˌæljʊˈmɪniəm/ () (Template:Respell) aluminum: /əˈljuːmɪnəm/ () (Template:Respell)
Standard atomic weight Ar, std(Al)	Template:Val
Aluminium in the periodic table
Template:Periodic table (32 columns, micro) B ↑ Al ↓ Ga magnesium ← aluminium → silicon
Atomic number (Z)	13
Group	group 13 (boron group)
Period	period 3
Block	p-block
Electron configuration	[Ne] 3s2 3p1
Electrons per shell	2, 8, 3
Physical properties
Phase at STP	solid
Melting point	933.47 K ​(660.32 °C, ​1220.58 °F)
Boiling point	2792 K ​(2519 °C, ​4566 °F)
Density (near r.t.)	2.70 g/cm3
when liquid (at m.p.)	2.375 g/cm3
Heat of fusion	10.71 kJ/mol
Heat of vaporization	294.0 kJ/mol
Molar heat capacity	24.200 J/(mol·K)
Vapor pressure P (Pa) 1 10 100 1 k 10 k 100 k at T (K) 1482 1632 1817 2054 2364 2790
Atomic properties
Oxidation states	−2, −1, +1, +2, +3 (an amphoteric oxide)
Electronegativity	Pauling scale: 1.61
Ionization energies	(more)
Atomic radius	empirical: 143 pm
Covalent radius	121±4 pm
Van der Waals radius	184 pm
Color lines in a spectral range Spectral lines of aluminium
Other properties
Natural occurrence	primordial
Crystal structure	​face-centered cubic (fcc) Face-centered cubic crystal structure for aluminium
Speed of sound thin rod	(rolled) 5,000 m/s (at r.t.)
Thermal expansion	23.1 µm/(m·K) (at 25 °C)
Thermal conductivity	237 W/(m·K)
Electrical resistivity	28.2 n Ω·m (at 20 °C)
Magnetic ordering	paramagnetic
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 Number	7429-90-5
Main isotopes of aluminium
[[Isotope|IsoTemplate:Shytope]] [[Natural abundance|AbunTemplate:Shydance]] Half-life (t1/2) Decay mode [[Decay product|ProTemplate:Shyduct]] 26Al trace 7.17×105y β+ 26Mg ε 26Mg γ - 27Al 100% stable

[[Category:Infobox templates|Template:Remove first word]]

Al Template:Wikidata data m.p. cat
	in	calc from C	diff	report	ref
C	660.32	—	—
K	933.47	933.47	0
F	1220.58	1220.58	0		Template:Subpage other
max precision	2
WD	Template:Wikidata				Template:Wikidata
input	C: 660.32, K: 933.47, F: 1220.58
comment

Al Template:Wikidata data b.p. cat
	in	calc from C	diff	report	ref
C	2519	—	—
K	2792	2792	0
F	4566	4566	0		Template:Subpage other
max precision	0
WD	Template:Wikidata				Template:Wikidata
input	C: 2519, K: 2792, F: 4566
comment