Khon Radon ke ngièn-sṳ́-mâ

{{Infobox element
|name=Radon
|number=86
|symbol=Rn
|left=[[astatine]]
|right=[[francium]]
|above=[[xenon|Xe]]
|below= [[Oganesson|Og]]
|series=hî-yù hi-thí
|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=hi-thí
|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''' ({{lang-zh|氡}} ''dōng'') he yit-chúng [[fa-ho̍k ngièn-su]], fa-ho̍k fù-ho vì '''Rn''', ngièn-chṳ́ su-muk he '''86'''.

==Chhâm-kháu chṳ̂-liau==
{{reflist}}

{{Ngièn-su chû-khì-péu}}
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[[Category:Fa-ho̍k ngièn-su]]