((Infobox element
|name   =radon
|symbol =Rn
|Z      =86
|number =86
|abundance=
|abundance in earth's crust=
|abundance in oceans=
|abundance in solar system=
|left=[[astatine]]
|right=[[francium]]
|above=[[xenon|Xe]]
|below= [[oganesson|Og]]
|appearance=colorless gas
|image name= 
|electrons per shell=2, 8, 18, 32, 18, 8
|phase=
|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 |crystal structure comment=(predicted)
|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))&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.=
|magnetic susceptibility=
|magnetic susceptibility ref=
|Young's modulus=
|Shear modulus=
|Bulk modulus=
|Poisson ratio=
|Mohs hardness=
|Vickers hardness=
|Brinell hardness=
|CAS number=10043-92-2
|discovered by=[[Ernest Rutherford]] and [[Robert B. Owens]]
|discovery date=1899
|first isolation by=[[William Ramsay]] and [[Robert Whytlaw-Gray]]
|first isolation date=1910
|QID=Q1133
))<!--

--><noinclude>
((Infobox element/element navigation|symbol=Rn))
((Template reference list))
((documentation|1=Template:Infobox element/doc))
</noinclude>