>Mrfoogles: Undid revision 1232443012 by Mrfoogles (talk)

2024-07-21T17:45:30Z

Undid revision 1232443012 by Mrfoogles (talk)

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{{Infobox element
|engvar ={{{engvar|}}}
|name =argon
|symbol =Ar
|Z =18
|number =18
|abundance=
|abundance in earth's crust=
|abundance in oceans=
|abundance in solar system=
|left=[[chlorine]]
|right=[[potassium]]
|above=[[neon|Ne]]
|below=[[krypton|Kr]]
|appearance=colorless gas exhibiting a lilac/violet glow when placed in an electric field
|image name=Argon discharge tube.jpg
|electrons per shell=2, 8, 8
|phase=
|density gplstp=1.784
|density gpcm3nrt=
|density gpcm3nrt 2=
|density gpcm3mp=
|density gpcm3bp=1.3954
|melting point K=83.81
|melting point C=−189.34
|melting point F=−308.81
|boiling point K=87.302
|boiling point C=−185.848
|boiling point F=−302.526
|triple point K=83.8058
|triple point kPa=68.89
|triple point ref=<ref name=b92/>
|critical point K=150.687
|critical point MPa=4.863
|critical point ref=<ref name=b92>{{RubberBible92nd|page=4.121}}</ref>
|heat fusion=1.18
|heat fusion 2=
|heat vaporization=6.53
|heat capacity=20.85<ref>Shuen-Chen Hwang, Robert D. Lein, Daniel A. Morgan (2005). "Noble Gases". Kirk Othmer Encyclopedia of Chemical Technology. Wiley. pp. 343–383. doi:10.1002/0471238961.0701190508230114.a01.</ref>
|vapor pressure 1= 
|vapor pressure 10=47
|vapor pressure 100=53
|vapor pressure 1 k=61
|vapor pressure 10 k=71
|vapor pressure 100 k=87
|vapor pressure comment=
|crystal structure=face-centered cubic
|crystal structure Pearson symbol=cF4
|lattice constant=''a'' = 546.91 pm (at triple point)<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=no data
|number of ionization energies=4
|ionization energy 1=1520.6
|ionization energy 2=2665.8
|ionization energy 3=3931
|atomic radius=
|atomic radius calculated=
|covalent radius=106±10
|Van der Waals radius=188
|magnetic ordering=[[diamagnetic]]
|magnetic ordering ref=<ref>[http://www-d0.fnal.gov/hardware/cal/lvps_info/engineering/elementmagn.pdf Magnetic susceptibility of the elements and inorganic compounds], in {{RubberBible86th}}</ref>
|electrical resistivity=
|electrical resistivity at 0=
|electrical resistivity at 20=
|thermal conductivity=17.72{{e|-3}} 
|thermal conductivity 2=
|thermal diffusivity=
|thermal expansion=
|thermal expansion at 25=
|speed of sound=323
|speed of sound comment=(gas, at 27 °C)
|speed of sound rod at 20=
|speed of sound rod at r.t.=
|magnetic susceptibility={{val|−19.6|e=−6}}
|magnetic susceptibility ref= <ref>{{Cite book|title=CRC, Handbook of Chemistry and Physics|last=Weast|first=Robert|publisher=Chemical Rubber Company Publishing|year=1984|isbn=0-8493-0464-4|location=Boca Raton, Florida|pages=E110}}</ref>
|Young's modulus=
|Shear modulus=
|Bulk modulus=
|Poisson ratio=
|Mohs hardness=
|Vickers hardness=
|Brinell hardness=
|CAS number=7440-37-1
|discovery and first isolation by=[[Lord Rayleigh]] and [[William Ramsay]]
|discovery date=1894
|QID=Q696
}}<noinclude>
{{Infobox element/element navigation|symbol=Ar}}
{{Template reference list}}
Two of these are [[WP:REFNAME|named references]]. They may be cited in the containing article as
*<nowiki><ref name="CIAAW2016" /></nowiki> for the source ''Atomic weights of the elements 2016'' (from subtemplates used by {{tl|Infobox element}})
* <nowiki><ref name="b92" /></nowiki> for the source edited by Haynes
{{documentation|1=Template:Infobox element/doc}}
[[Category:Templates that generate named references]]
</noinclude>

Template:Infobox argon - Revision history

>Mrfoogles: Undid revision 1232443012 by Mrfoogles (talk)