text: # Oganesson
  Chăng-kō̤ Mìng-dĕ̤ng-ngṳ̄ Háng-cê gì bēng-buōng. / 參考閩東語漢字其版本。
  Oganesson sê siŏh cṳ̄ng huá-hŏk nguòng-só.  Nguòng-cṳ̄ sê̤ṳ-só sê 118, huá-hŏk hù-hô̤ sê Og.
title: Oganesson
wikitext: {{twinLAT|鿫}}
  {{infobox element
  |name=oganesson
  |laname=oganesson
  |number=118
  |symbol=Og
  |alt names=
  |abundance=
  |abundance in earth's crust=
  |abundance in oceans=
  |abundance in solar system=
  |left=[[tennessine]]
  |right=([[ununennium|uue]])
  |above=[[radon]]
  |below=(Usb)
  |series=mâ̤ hiēu
  |series comment=but probably a [[noble gas]]
  |group=18
  |period=7
  |block=p
  |appearance=
  |mass number comment=(unconfirmed: 295)
  |electron configuration=&#91;[[Radon|Rn]]&#93; 5f<sup>14</sup> 6d<sup>10</sup> 7s<sup>2</sup> 7p<sup>6</sup>
  |electron configuration comment=''(ê̤ṳ-cháik)''
  |electron configuration ref=<ref name=Nash2005>{{cite journal
  |title=Atomic and Molecular Properties of Elements 112, 114, and 118|first=Clinton S. |last=Nash|journal=Journal of Physical Chemistry A|year=2005|volume=109|issue=15|pages=3493–3500|doi=10.1021/jp050736o|pmid=16833687|bibcode=2005JPCA..109.3493N}}</ref><ref name=Haire/>
  |electrons per shell=2, 8, 18, 32, 32, 18, 8
  |electrons per shell comment=''(ê̤ṳ-cháik)''
  |phase=gó-tā̤
  |phase comment=''(ê̤ṳ-cháik)''<ref name=Nash2005/>
  |density gpcm3mp=4.9–5.1
  |density gpcm3mp comment=''(ê̤ṳ-cháik)''<ref name="B&K">{{cite journal
  |last1=Bonchev |first1=Danail |last2=Kamenska |first2=Verginia |year=1981 |title=Predicting the Properties of the 113–120 Transactinide Elements |journal=Journal of Physical Chemistry |volume=85 |issue=9 |pages=1177–1186 |publisher=American Chemical Society |doi=10.1021/j150609a021 |url=https://www.researchgate.net/publication/239657207_Predicting_the_properties_of_the_113_to_120_transactinide_elements }}</ref>
  |boiling point K=350±30
  |boiling point C=80±30
  |boiling point F=170±50
  |boiling point comment=''(extrapolated)''<ref name=Nash2005/>
  |crystal structure=face-centered cubic
  |crystal structure comment=''(extrapolated)''<ref name=60s>{{cite journal|doi=10.1016/0022-1902(65)80255-X|date=1965|publisher=Elsevier Science Ltd.|title=Some physical and chemical properties of element 118 (Eka-Em) and element 86 (Em)|first=A. V.|last=Grosse|journal=Journal of Inorganic and Nuclear Chemistry|volume=27|issue=3|pages=509–19}}</ref>
  |critical point K=439
  |critical point MPa=6.8
  |critical point comment=''(extrapolated)''<ref name=Eichler>{{citation|title=Thermochemical Properties of the Elements Rn, 112, 114, and 118|first1=R. |last1=Eichler |first2=B. |last2=Eichler|publisher=Paul Scherrer Institut|url=http://lch.web.psi.ch/files/anrep03/06.pdf|accessdate=2010-10-23}}</ref>
  |heat fusion=23.5
  |heat fusion comment=''(extrapolated)''<ref name=Eichler/>
  |heat vaporization=19.4
  |heat vaporization comment=''(extrapolated)''<ref name=Eichler/>
  |oxidation states=−1,<ref name=Haire/> 0, +1,<ref name=hydride>{{cite journal|journal=Journal of Chemical Physics|volume=112|issue=6|year=2000|title=Spin–orbit effects on the transactinide p-block element monohydrides MH (M=element 113–118)|first1=Young-Kyu |last1=Han|first2=Cheolbeom |last2=Bae|first3=Sang-Kil |last3=Son|first4=Yoon Sup |last4=Lee|doi=10.1063/1.480842|page=2684|bibcode=2000JChPh.112.2684H}}</ref> '''+2''',<ref name=Kaldor/> '''+4''',<ref name=Kaldor>{{citebook|title=Theoretical Chemistry and Physics of Heavy and Superheavy Elements|first1=Uzi |last1=Kaldor |first2=Stephen|last2=Wilson|page=105|year=2003|publisher=Springer|isbn=140201371X|url=https://books.google.com/books?id=0xcAM5BzS-wC&printsec=frontcover&dq=element+118+properties#PPA105,M1|accessdate=2008-01-18}}</ref> +6<ref name=Haire>{{cite book| title=The Chemistry of the Actinide and Transactinide Elements| editor1-last=Morss|editor2-first=Norman M.| editor2-last=Edelstein| editor3-last=Fuger|editor3-first=Jean| last1=Hoffman|first1=Darleane C. |last2=Lee |first2=Diana M. |last3=Pershina |first3=Valeria |chapter=Transactinides and the future elements| publisher= [[Springer Science+Business Media]]| year=2006| isbn=1-4020-3555-1| location=Dordrecht, The Netherlands| edition=3rd| ref=CITEREFHaire2006}}</ref>
  |oxidation states comment=''(predicted)''
  |number of ionization energies=2
  |ionization energy 1=860.1
  |ionization energy 1 comment=''(predicted)''<ref name=VPershina>{{cite book |chapter=Theoretical Chemistry of the Heaviest Elements |last1=Pershina |first1=Valeria |editor1-first=Matthias |editor1-last=Schädel |editor2-first=Dawn |editor2-last=Shaughnessy |title=The Chemistry of Superheavy Elements |publisher=Springer Science & Business Media |edition=2nd |page=154 |isbn=9783642374661}}</ref>
  |ionization energy 2=1560
  |ionization energy 2 comment=''(predicted)''<ref name=BFricke>{{cite journal
  |last1=Fricke |first1=Burkhard |year=1975 |title=Superheavy elements: a prediction of their chemical and physical properties |journal=Recent Impact of Physics on Inorganic Chemistry |volume=21 |pages=89–144 |doi=10.1007/BFb0116498 |url=https://www.researchgate.net/publication/225672062_Superheavy_elements_a_prediction_of_their_chemical_and_physical_properties |accessdate=4 October 2013}}</ref>
  |covalent radius=157
  |covalent radius comment=''(predicted)''<ref name=rsc>[http://www.rsc.org/periodic-table/element/118/ununoctium Chemical Data. Ununoctium - Uuo], Royal Chemical Society</ref>
  |CAS number=54144-19-3
  |magnetic susceptibility=
  |magnetic susceptibility ref=
  |isotopes={{infobox element/isotopes decay|mn=295 |sym=Og<ref name="EXON">{{cite conference |title=Remarks on the Fission Barriers of SHN and Search for Element 120 |first1=S. |last1=Hofmann |first2=S. |last2=Heinz |first3=R. |last3=Mann |first4=J. |last4=Maurer |first5=G. |last5=Münzenberg |first6=S. |last6=Antalic |first7=W. |last7=Barth |first8=H. G. |last8=Burkhard |first9=L. |last9=Dahl |first10=K. |last10=Eberhardt |first11=R. |last11=Grzywacz |first12=J. H. |last12=Hamilton |first13=R. A. |last13=Henderson |first14=J. M. |last14=Kenneally |first15=B. |last15=Kindler |first16=I. |last16=Kojouharov |first17=R. |last17=Lang |first18=B. |last18=Lommel |first19=K. |last19=Miernik |first20=D. |last20=Miller |first21=K. J. |last21=Moody |first22=K. |last22=Morita |first23=K. |last23=Nishio |first24=A. G. |last24=Popeko |first25=J. B. |last25=Roberto |first26=J. |last26=Runke |first27=K. P. |last27=Rykaczewski |first28=S. |last28=Saro |first29=C. |last29=Schneidenberger |first30=H. J. |last30=Schött |first31=D. A. |last31=Shaughnessy |first32=M. A. |last32=Stoyer |first33=P. |last33=Thörle-Pospiech |first34=K. |last34=Tinschert |first35=N. |last35=Trautmann |first36=J. |last36=Uusitalo |first37=A. V. |last37=Yeremin |year=2016 |conference=Exotic Nuclei |editor-first1=Yu. E. |editor-last1=Peninozhkevich |editor-first2=Yu. G. |editor-last2=Sobolev |book-title=Exotic Nuclei: EXON-2016 Proceedings of the International Symposium on Exotic Nuclei |pages=155–164 |isbn=9789813226555}}</ref> |na=syn |hl=181 ms? |dm=α |de=11.81 |link1=livermorium-291 |pn=291 |ps=Lv}}
  {{infobox element/isotopes decay2 | mn=294| sym=Og<ref name="synthesis-118-116">{{citejournal |first1=Yu. Ts. |last1=Oganessian |first2=V. K. |last2=Utyonkov |first3=Yu. V. |last3=Lobanov |first4=F. Sh. |last4=Abdullin |first5=A. N. |last5=Polyakov |first6=R. N. |last6=Sagaidak |first7=I. V. |last7=Shirokovsky |first8=Yu. S. |last8=Tsyganov |first9=A. A. |last9=Voinov |first10=G. G. |last10=Gulbekian |first11=S. L. |last11=Bogomolov |first12=B. N. |last12=Gikal |first13=A. N. |last13=Mezentsev |first14=S. |last14=Iliev |first15=V. G. |last15=Subbotin |first16=A. M. |last16=Sukhov |first17=K. |last17=Subotic |first18=V. I. |last18=Zagrebaev |first19=G. K. |last19=Vostokin |first20=M. G. |last20=Itkis |first21=K. J. |last21=Moody |first22=J. B. |last22=Patin |first23=D. A. |last23=Shaughnessy |first24=M. A. |last24=Stoyer |first25=N. J. |last25=Stoyer |first26=P. A. |last26=Wilk |first27=J. M. |last27=Kenneally |first28=J. H. |last28=Landrum |first29=J. F. |last29=Wild |first30=R. W. |last30=Lougheed
  |displayauthors={{{displayauthors|{{template other||8}}}}}
  |title=Synthesis of the isotopes of elements 118 and 116 in the <sup>249</sup>Cf and <sup>245</sup>Cm+<sup>48</sup>Ca fusion reactions
  |journal=[[Physical Review]] C
  |volume=74
  |issue=4
  |pages=044602
  |date=2006-10-09
  |url=http://link.aps.org/abstract/PRC/v74/e044602|doi=10.1103/PhysRevC.74.044602
  |accessdate=2008-01-18
  |bibcode = 2006PhRvC..74d4602O
  }}</ref> | na=[[synthetic radioisotope|syn]] | hl=0.69&nbsp;ms<ref name="Og-Ryk">{{cite journal|last1=Oganessian|first1=Yuri Ts.|last2=Rykaczewski|first2=Krzysztof P.|title=A beachhead on the island of stability|journal=Physics Today|date=August 2015|volume=68|issue=8|pages=32–38|doi=10.1063/PT.3.2880|url=http://physicstoday.scitation.org/doi/10.1063/PT.3.2880|accessdate=2017-06-14|bibcode=2015PhT....68h..32O}}</ref> | dm1= [[alpha decay|α]]| de1=11.65±0.06| link1=livermorium-290 | pn1=290 | ps1=Lv | dm2= [[spontaneous fission|SF]] | de2= | pn2= | ps2= }}
  |predicted by=[[Niels Bohr]]
  |prediction date=1922
  |discovered by=[[Joint Institute for Nuclear Research]] and [[Lawrence Livermore National Laboratory]]
  |naming=after [[Yuri Oganessian]]
  |discovery date=2002
  |QID=Q1307
  }}
  '''Oganesson''' sê siŏh cṳ̄ng [[huá-hŏk nguòng-só]].  [[Nguòng-cṳ̄ sê̤ṳ-só]] sê 118, huá-hŏk hù-hô̤ sê Og. 
  
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