text: # Radon
  Chăng-kō̤ Mìng-dĕ̤ng-ngṳ̄ Háng-cê gì bēng-buōng. / 參考閩東語漢字其版本。
  Radon sê siŏh cṳ̄ng hĭ-iū ké-tā̤ nguòng-só. Nguòng-cṳ̄ sê̤ṳ-só sê 86, huá-hŏk hù-hô̤ sê Rn.
  
title: Radon
wikitext: {{twinLAT|氡}}
  {{Infobox element
  |name=radon
  |enname=radon
  |laname=radon
  |number=86
  |symbol=Rn
  |left=[[astatine|Astatin]]
  |right=[[francium|Franci]]
  |above=[[xenon]]
  |below= [[Oganesson]]
  |series=hĭ-iū ké-tā̤
  |series comment=
  |group=18
  |period=6
  |block=p
  |appearance=colorless gas, occasionally glows green or red in discharge tubes
  |image name=
  |image name comment=
  |image size=
  |image name 2=File:Radon spectrum visible.png
  |image name 2 comment=Spectral lines of radon
  |atomic mass= (222)
  |atomic mass 2=
  |atomic mass comment=
  |electron configuration= &#91;[[xenon|Xe]]&#93; 4f<sup>14</sup> 5d<sup>10</sup> 6s<sup>2</sup> 6p<sup>6</sup>
  |electrons per shell=2, 8, 18, 32, 18, 8
  |color=
  |phase=ké-tā̤
  |phase comment=
  |density gplstp=9.73
  |density gpcm3bp=4.4
  |melting point K=202
  |melting point C=−71
  |melting point F=−96
  |boiling point K=211.5
  |boiling point C=−61.7
  |boiling point F=−79.1
  |triple point K=
  |triple point kPa=
  |critical point K=377
  |critical point MPa=6.28
  |critical point ref=<ref name=b92>{{RubberBible92nd|page=4.122}}</ref>
  |heat fusion=3.247
  |heat vaporization=18.10
  |heat capacity=5[[Gas constant|R]]/2 = 20.786
  |vapor pressure 1=110
  |vapor pressure 10=121
  |vapor pressure 100=134
  |vapor pressure 1 k=152
  |vapor pressure 10 k=176
  |vapor pressure 100 k=211
  |vapor pressure comment=
  |crystal structure=face-centered cubic
  |oxidation states=6, 2, '''0'''
  |oxidation states comment=
  |electronegativity=2.2
  |number of ionization energies=1
  |ionization energy 1=1037
  |ionization energy 2=
  |ionization energy 3=
  |atomic radius=
  |covalent radius=150
  |Van der Waals radius=220
  |magnetic ordering=non-magnetic
  |electrical resistivity=
  |electrical resistivity at 0=
  |electrical resistivity at 20=
  |thermal conductivity=3.61{{e|-3}}</sup>&nbsp;
  |thermal conductivity 2=
  |thermal diffusivity=
  |thermal expansion=
  |thermal expansion at 25=
  |speed of sound=
  |speed of sound rod at 20=
  |speed of sound rod at r.t.=
  |Young's modulus=
  |Shear modulus=
  |Bulk modulus=
  |Poisson ratio=
  |Mohs hardness=
  |Vickers hardness=
  |Brinell hardness=
  |CAS number=10043-92-2
  |isotopes=
  {{infobox element/isotopes decay | mn=210 | sym=Rn | na=[[synthetic radioisotope|syn]] | hl=2.4&nbsp;h | dm=[[alpha emission|α]] | de=6.404 | link1=polonium-206 | pn=206 | ps=Po}}
  {{infobox element/isotopes decay2 | mn=211 | sym=Rn | na=syn | hl=14.6&nbsp;h | dm1=[[electron capture|ε]] | de1=2.892 | link1=astatine-211 | pn1=211 | ps1=At | dm2=α | de2=5.965 | link2=polonium-207 | pn2=207 | ps2=Po}}
  {{infobox element/isotopes decay | mn=222 | sym=Rn | na=[[Trace element|trace]] | hl=3.8235&nbsp;d | dm=α | de=5.590 | link1=polonium-218 | pn=218 | ps=Po}}
  {{infobox element/isotopes decay | mn=224 | sym=Rn | na=syn | hl=1.8&nbsp;h | dm=[[electron emission|β<sup>−</sup>]] | de=0.8| link1=francium-224 | pn=224| ps=Fr}}
  |isotopes comment=
  |discovered by=[[Friedrich Ernst Dorn]]
  |discovery date=1898
  |first isolation by=[[William Ramsay]] and [[Robert Whytlaw-Gray]]
  |first isolation date=1910
  }}
  '''Radon''' sê siŏh cṳ̄ng [[hĭ-iū ké-tā̤]] [[huá-hŏk nguòng-só|nguòng-só]]. [[Nguòng-cṳ̄ sê̤ṳ-só]] sê 86, huá-hŏk hù-hô̤ sê Rn.
  
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