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{{Infobox element
|engvar={{{engvar|}}}
|name=aluminium
|number=13
|symbol=Al
|alt name=aluminum (U.S., Canada)
|abundance=
|abundance in earth's crust=
|abundance in oceans=
|abundance in solar system=
|left=[[magnesium]]
|right=[[silicon]]
|above=[[boron|B]]
|below=[[gallium|Ga]]
|category comment=
|group=13
|period=3
|block=p
|appearance=silvery gray metallic
|image name=Aluminium-4.jpg
|electrons per shell=2, 8, 3
|phase=
|phase comment=
|density gplstp=
|density gpcm3nrt=2.70
|density gpcm3nrt 2=
|density gpcm3mp=2.375
|melting point K=933.47
|melting point C=660.32
|melting point F=1220.58
|boiling point K=2743
|boiling point C=2470
|boiling point F=4478
|triple point K=
|triple point kPa=
|critical point K=
|critical point MPa=
|heat fusion=10.71
|heat fusion 2=
|heat vaporization=284
|heat capacity=24.20
|vapor pressure 1=1482
|vapor pressure 10=1632
|vapor pressure 100=1817
|vapor pressure 1 k=2054
|vapor pressure 10 k=2364
|vapor pressure 100 k=2790
|vapor pressure comment=
|crystal structure=face-centered cubic
|electronegativity=1.61
|number of ionization energies=4
|ionization energy 1=577.5
|ionization energy 2=1816.7
|ionization energy 3=2744.8
|atomic radius=143
|atomic radius calculated=
|covalent radius=121±4
|Van der Waals radius=184
|magnetic ordering=[[paramagnetic]]
|magnetic ordering ref=<ref>
{{cite book
|last1=Lide |first1=D. R.
|year=2000
|chapter=Magnetic susceptibility of the elements and inorganic compounds
|chapter-url=http://www-d0.fnal.gov/hardware/cal/lvps_info/engineering/elementmagn.pdf
|title=[[CRC Handbook of Chemistry and Physics]]
|edition=81st
|publisher=[[CRC Press]]
|isbn=0849304814
}}</ref>
|magnetic susceptibility = +16.5·10−6
|magnetic susceptibility ref =
|electrical resistivity=
|electrical resistivity unit prefix=n
|electrical resistivity at 0=
|electrical resistivity at 20=26.5
|thermal conductivity=237
|thermal conductivity 2=
|thermal diffusivity=
|thermal expansion=
|thermal expansion at 25=23.1
|speed of sound=
|speed of sound rod at 20=
|speed of sound rod at r.t.=(rolled) 5000
|Young's modulus=70
|Shear modulus=26
|Bulk modulus=76
|Poisson ratio=0.35
|Mohs hardness=2.75
|Vickers hardness=160–350
|Brinell hardness=160–550
|CAS number=7429-90-5
|isotopes=
{{infobox element/isotopes decay3
|mn=26 | sym=Al | na=[[trace radioisotope|trace]] | hl=7.17×105 y
|dm1=[[positron emission|β+]] | de1=1.17 | link1=magnesium-26 | pn1=26 | ps1=Mg
|dm2=[[electron capture|ε]] | de2=– | link2= | pn2=26 | ps2=Mg
|dm3=[[gamma radiation|γ]] | de3=1.8086 | pn3= | ps3=–
}}
{{Infobox element/isotopes stable | mn=27 | sym=Al | na=100% | n=14 |firstlinks=yes}}
|isotopes comment=
|naming=from ''alumine'', obsolete name for ''[[alumina]]''
|predicted by=[[Antoine Lavoisier]]
|prediction date=1782
|discovered by=[[Hans Christian Ørsted]]
|discovery date=1824
|named by=[[Humphry Davy]]
|named date=1812{{efn|Davy's 1812 written usage of the word ''aluminum'' was predated by other authors' usage of ''aluminium''. However, Davy is often mentioned as the person who named the element; he was the first to coin a name for aluminium: he used ''alumium'' in 1808. Other authors did not accept that name, choosing ''aluminium'' instead. See [[#Etymology|below]] for more details.}}
|QID=Q663
}}<noinclude>
{{Infobox element/element navigation|symbol=Al}}
{{reflist|group=lower-alpha}}
{{template reference list}}
One of these is a [[WP:REFNAME|named reference]]. It may be cited in the containing article as
*<nowiki><ref name="CIAAW2013" /></nowiki> for the source ''Atomic weights of the elements 2013'' (from subtemplates used by {{tl|Infobox element}})
{{documentation|1=Template:Infobox element/doc}}
[[Category:Templates that generate named references]]
</noinclude>

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Admin: 1 revision imported: setup

setup>Double sharp at 02:02, 18 February 2021