>HertzDonuts: Undid revision 1236073786 by Deedman22 (talk) The infobox image should be of the pure element, not ore

2024-07-26T23:52:37Z

Undid revision 1236073786 by Deedman22 (talk) The infobox image should be of the pure element, not ore

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{{infobox element
|name =uranium
|symbol =U
|Z =92
|number =92
|abundance=
|abundance in earth's crust=
|abundance in oceans=
|abundance in solar system=
|left=[[protactinium]]
|right=[[neptunium]]
|above=[[neodymium|Nd]]
|below=—
|appearance=silvery gray metallic; corrodes to a [[spalling]] black oxide coat in air
|image name=HEUraniumC.jpg
|electrons per shell=2, 8, 18, 32, 21, 9, 2
|phase=
|phase comment=
|density gplstp=
|density=19.050 g/cm3 <ref name="Arblaster 2018" />
|density conditions=(at 20° C)
|density gpcm3mp=17.3
|melting point K=1405.3
|melting point C=1132.2
|melting point F=2070
|boiling point K=4404
|boiling point C=4131
|boiling point F=7468
|triple point K=
|triple point kPa=
|critical point K=
|critical point MPa=
|heat fusion=9.14
|heat vaporization=417.1
|heat capacity=27.665
|vapor pressure 1=2325
|vapor pressure 10=2564
|vapor pressure 100=2859
|vapor pressure 1 k=3234
|vapor pressure 10 k=3727
|vapor pressure 100 k=4402
|vapor pressure comment=
|crystal structure=orthorhombic
|crystal structure Pearson symbol=oS4
|lattice constants=''a'' = 285.35 pm ''b'' = 586.97 pm ''c'' = 495.52 pm (at 20 °C)<ref name="Arblaster 2018">{{cite book |last=Arblaster |first= John W. |title=Selected Values of the Crystallographic Properties of Elements |publisher=ASM International |publication-place=Materials Park, Ohio |date=2018 |isbn=978-1-62708-155-9}}</ref>
|electronegativity=1.38
|number of ionization energies=2
|ionization energy 1=597.6
|ionization energy 2=1420
|ionization energy 3=
|atomic radius=156
|covalent radius=196±7
|Van der Waals radius=186
|magnetic ordering=[[paramagnetism|paramagnetic]]
|electrical resistivity unit prefix=µ
|electrical resistivity at 0=0.280
|electrical resistivity at 20=
|thermal conductivity=27.5
|thermal conductivity 2=
|thermal diffusivity=
|thermal expansion=
|thermal expansion comment={{val|15.46|e=−6}}/K (at 20 °C){{efn|text=The thermal expansion is [[Anisotropy|anisotropic]]: the coefficients for each crystal axis (at 20 °C) are α''a'' = {{val|25.27|e=−6}}/K, α''b'' = {{val|0.76|e=−6}}/K, α''c'' = {{val|20.35|e=−6}}/K, and αaverage = αvolume/3 = {{val|15.46|e=−6}}/K.}}
|thermal expansion at 25=
|speed of sound=
|speed of sound rod at 20=3155
|speed of sound rod at r.t.=
|magnetic susceptibility=
|magnetic susceptibility ref=
|Young's modulus=208
|Shear modulus=111
|Bulk modulus=100
|Poisson ratio=0.23
|Mohs hardness=
|Vickers hardness=1960–2500
|Brinell hardness=2350–3850
|CAS number=7440-61-1
|naming=after [[Uranus|planet Uranus]], itself named after Greek [[Uranus (mythology)|god of the sky Uranus]]
|discovered by=[[Martin Heinrich Klaproth]]
|discovery date=1789
|first isolation by=[[Eugène-Melchior Péligot]]
|first isolation date=1841
|QID=Q1098
}}<noinclude>
{{Infobox element/element navigation|symbol=U}}
==Notes==
{{Notelist}}
{{Template reference list}}
{{documentation|1=Template:Infobox element/doc}}
</noinclude>

Template:Infobox uranium - Revision history

>HertzDonuts: Undid revision 1236073786 by Deedman22 (talk) The infobox image should be of the pure element, not ore