Editing Radon difluoride

{{Chembox
| ImageFile = Radon-difluoride-CPK.png
| Verifiedfields = changed
| Watchedfields = changed
| verifiedrevid = 400873837
| IUPACName = Radon difluoride
| OtherNames = Radon(II) fluoride
|Section1={{Chembox Identifiers
| CASNo = 18976-85-7
| CASNo_Ref = {{Cascite|changed|CAS}}
| ChemSpiderID = 95685049
| SMILES = F[Rn]F
| StdInChI_Ref = {{stdinchicite|changed|chemspider}}
| StdInChI = 1S/F2Rn/c1-3-2
| StdInChIKey_Ref = {{stdinchicite|changed|chemspider}}
| StdInChIKey = UEHKUMAZJPZVMJ-UHFFFAOYSA-N
}}
|Section2={{Chembox Properties
| Formula=RnF<sub>2</sub>
}}
}}

'''Radon difluoride''' ({{chem|Rn||F|2}}) is a compound of [[radon]], a radioactive [[noble gas]].  Radon reacts readily with [[fluorine]] to form a solid compound, but this decomposes on attempted vaporization and its exact composition is uncertain.<ref name="Stein 62">{{cite journal |last1=Fields |first1=Paul R. |last2=Stein |first2=Lawrence |last3=Zirin |first3=Moshe H. |year=1962 |title=Radon Fluoride |journal=Journal of the American Chemical Society |doi=10.1021/ja00880a048 |volume=84 |issue=21 |pages=4164–4165}}</ref><ref>{{cite journal |last=Stein |first=Lawrence |year=1970 |title=Ionic Radon Solution |journal=Science |pmid=17809133 |bibcode=1970Sci...168..362S |doi=10.1126/science.168.3929.362 |volume=168 |issue=3929 |pages=362–4|s2cid=31959268 }}</ref>  Calculations suggest that it may be [[ionic crystal|ionic]],<ref>{{cite journal |last=Pitzer |first=Kenneth S. |year=1975 |title=Fluorides of radon and element 118 |journal=[[J. Chem. Soc., Chem. Commun.]] |doi=10.1039/C3975000760b |issue=18 |pages=760b–761 |url=https://escholarship.org/uc/item/8xz4g1ff}}</ref> unlike all other known binary [[noble gas compound]]s. The usefulness of radon compounds is limited because of the [[radioactivity]] of radon.  The longest-lived [[isotope]], [[radon-222]], has a [[half-life]] of only 3.82 days, which decays by α-emission to yield polonium-218.<ref>{{cite book |last=Stein |first=Lawrence |year=1987 |title=Radon and its Decay Products |chapter=Chemical Properties of Radon |series=ACS Symposium Series |isbn=978-0-8412-1015-8 |doi=10.1021/bk-1987-0331.ch018 |volume=331 |pages=240–251 |chapter-url=https://digital.library.unt.edu/ark:/67531/metadc1096539/}}</ref>

==Preparation==
When radon is heated to 400 °C with fluorine, radon difluoride is formed.<ref name="Stein 62" />

==Reactions==
Radon difluoride can be reduced to radon and [[hydrogen fluoride]] when heated with [[hydrogen]] gas at 500 °C.<ref name="Stein 62" />

==References==
{{reflist}}

{{fluorine compounds}}
{{Noble gas compounds}}

[[Category:Fluorides]]
[[Category:Radon compounds]]


{{Inorganic-compound-stub}}