Oganeson adolah unsua kimia sintetik basimbol Og jo banomor atom 118. Oganeson dibuek paratamo kali tahun 2002 di JINR di Dubna, dakek Moskow, Rusia dek kalompok ilimuwan Rusia jo Amerika Sarikaik. Isotop Oganeson nan paliang stabil adolah Oganeson-295 jo wakatu paruah salamo 181 milisekon, nan salapeh itu mangalami paluruahan alpha manjadi Livermorium-291.
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| Panampilan
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| sabalunnyo dikiro sabagai gas mulia, tapi kini dipakiroan babantuak padaikan reaktif nan tampak manyarupoi logam, jo barupo semikonduktor (mungkin metaloid) atau logam postransisi.[1][2]
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| Ciri-ciri umum
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| Namo, lambang, Nomor atom
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oganeson, Og, 118
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| Golongan, pariode, blok
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18, 7, p
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| Massa atom standar
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[295]
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| Konfigurasi elektron
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[Rn] 5f14 6d10 7s2 7p6
2, 8, 18, 32, 32, 18, 8
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| Sipaik fisika
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| Fase
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solid (pakiroan)
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| Masso jinih caiaran pado t.l.
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4.9–5.1 g·cm−3
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| Titik didih
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350±30 K, 80±30 °C, 170±50 °F
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| Titik kritis
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439 K, 6.8 MPa
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| Kalor palaburan
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23.5 kJ·mol−1
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| Kalor penguapan
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19.4 kJ·mol−1
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| Sipaik atom
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| Bilangan oksidasi
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−1,[3] 0, +1,[4] +2,[5] +4,[5] +6[3]
(pakiroan)
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| Energi ionisasi
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partamo: {{{1st ionization energy}}} kJ·mol−1
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| ke-2: {{{2nd ionization energy}}} kJ·mol−1
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| Jari-jari kovalen
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157 pm
pakiroan[6]
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| Lain-lain
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| Struktur kristal
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face-centered cubic
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| Catatan struktur kristal
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(ekstrapolasi)[7]
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| Nomor CAS
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54144-19-3
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| Isotop paliang stabil
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| · r
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- ↑ Mewes, Jan-Michael; Smits, Odile Rosette; Jerabek, Paul; Schwerdtfeger, Peter (25 July 2019). "Oganesson is a Semiconductor: On the Relativistic Band‐Gap Narrowing in the Heaviest Noble‐Gas Solids". Angewandte Chemie. doi:10.1002/anie.201908327. Diakses tanggal 8 August 2019.
- ↑ Gong, Sheng; Wu, Wei; Wang, Fancy Qian; Liu, Jie; Zhao, Yu; Shen, Yiheng; Wang, Shuo; Sun, Qiang; Wang, Qian (8 February 2019). "Classifying superheavy elements by machine learning". Physical Review A. 99: 022110–1–7. doi:10.1103/PhysRevA.99.022110.
- ↑ a b Hoffman, Darleane C.; Lee, Diana M.; Pershina, Valeria (2006). "Transactinides and the future elements". di dalam Morss; Edelstein, Norman M.; Fuger, Jean. The Chemistry of the Actinide and Transactinide Elements (edisi ke-3rd). Dordrecht, The Netherlands: Springer Science+Business Media. ISBN 1-4020-3555-1.
- ↑ Han, Young-Kyu; Bae, Cheolbeom; Son, Sang-Kil; Lee, Yoon Sup (2000). "Spin–orbit effects on the transactinide p-block element monohydrides MH (M=element 113–118)". Journal of Chemical Physics. 112 (6): 2684. Bibcode:2000JChPh.112.2684H. doi:10.1063/1.480842.
- ↑ a b Kaldor, Uzi; Wilson, Stephen (2003). Theoretical Chemistry and Physics of Heavy and Superheavy Elements. Springer. p. 105. ISBN 140201371X. http://books.google.com/books?id=0xcAM5BzS-wC&printsec=frontcover&dq=element+118+properties#PPA105,M1. Diakses pado 18 Januari 2008.
- ↑ Chemical Data. Ununoctium - Uuo, Royal Chemical Society
- ↑ Grosse, A. V. (1965). "Some physical and chemical properties of element 118 (Eka-Em) and element 86 (Em)". Journal of Inorganic and Nuclear Chemistry. Elsevier Science Ltd. 27 (3): 509–19. doi:10.1016/0022-1902(65)80255-X.
- ↑ Templat:Citejournal
- ↑ Oganessian, Yuri Ts.; Rykaczewski, Krzysztof P. (August 2015). "A beachhead on the island of stability". Physics Today. 68 (8): 32–38. Bibcode:2015PhT....68h..32O. doi:10.1063/PT.3.2880. Diakses tanggal 2017-06-14.
