Oganesson

Oganesson, ₁₁₈Og
Oganesson
Pronunciation	/ˌoʊɡəˈnɛsən/ (OH-gə-NES-ən)
Alternative names	element 118, eka-radon
Mass number	[294]
Oganesson in the periodic cairt
	tennessine ← oganesson → ununennium
Atomic nummer (Z)	118
Group	group 18
Period	period 7
Block	p-block
Element category	Unkent chemical properties
Electron confeeguration	[Rn] 5f14 6d10 7s2 7p6 (predictit)
Electrons per shell	2, 8, 18, 32, 32, 18, 8 (predictit)
Pheesical properties
Phase at STP	solit (predicted)
Bylin pynt	350±30 K (80±30 °C, 170±50 °F) (extrapolatit)
Density when liquid (at m.p.)	4.9–5.1 g/cm3 (predictit)
Creetical pynt	439 K, 6.8 MPa (extrapolatit)
Heat o fusion	23.5 kJ/mol (extrapolatit)
Heat o vapourisation	19.4 kJ/mol (extrapolatit)
Atomic properties
Oxidation states	(−1), (0), (+1), (+2), (+4), (+6) (predicted)
Ionisation energies	1st: 839.4 kJ/mol (predictit); 2nd: 1563.1 kJ/mol (predictit); ;
Covalent radius	157 pm (predictit)
Ither properties
Naitural occurrence	synthetic
CAS Nummer	54144-19-3
History
Namin	IUPAC seestematic element name
Diskivery	Jynt Institute for Nuclear Research an Lawrence Livermore Naitional Laboratory (2002)
Main isotopes o oganesson
SF
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Oganesson is a superhivy airtifeecial chemical element wi an atomic nummer o 118 an a seembol o Og.

It wis recognised bi the International Union of Pure and Applied Chemistry in Januar 2016. It is cried efter Yuri Oganessian, a Russian physicist that wis ahint the discovery o flerovium.^[12]

References

↑ Ritter, Malcolm (9 Juin 2016). "Periodic table elements named for Moscow, Japan, Tennessee". Associated Press. Retrieved 19 December 2017.
↑ ^a ^b ^c ^d Nash, Clinton S. (2005). "Atomic and Molecular Properties of Elements 112, 114, and 118". Journal of Physical Chemistry A. 109 (15): 3493–3500. Bibcode:2005JPCA..109.3493N. doi:10.1021/jp050736o. PMID 16833687. Cite error: Invalid <ref> tag; name "Nash2005" defined multiple times wi different content
↑ ^a ^b ^c ^d ^e ^f ^g Hoffman, Darleane C.; Lee, Diana M.; Pershina, Valeria (2006). "Transactinides and the future elements". In Morss; Edelstein, Norman M.; Fuger, Jean (eds.). The Chemistry of the Actinide and Transactinide Elements (3rd ed.). Dordrecht, The Netherlands: Springer Science+Business Media. ISBN 978-1-4020-3555-5. Cite error: Invalid <ref> tag; name "Haire" defined multiple times wi different content
↑ Bonchev, Danail; Kamenska, Verginia (1981). "Predicting the Properties of the 113–120 Transactinide Elements". Journal of Physical Chemistry. American Chemical Society. 85 (9): 1177–1186. doi:10.1021/j150609a021.
↑ ^a ^b ^c Eichler, R.; Eichler, B., Thermochemical Properties of the Elements Rn, 112, 114, and 118 (PDF), Paul Scherrer Institut, retrieved 23 October 2010
↑ ^a ^b 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 ^c ^d Kaldor, Uzi; Wilson, Stephen (2003). Theoretical Chemistry and Physics of Heavy and Superheavy Elements. Springer. p. 105. ISBN 978-1402013713. Retrieved 18 Januar 2008. Cite error: Invalid <ref> tag; name "Kaldor" defined multiple times wi different content
↑ Fricke, Burkhard (1975). "Superheavy elements: a prediction of their chemical and physical properties". Recent Impact of Physics on Inorganic Chemistry. 21: 89–144. doi:10.1007/BFb0116498. Retrieved 4 October 2013.
↑ Chemical Data. Ununoctium - Uuo, Royal Chemical Society
↑ "Ununoctium". WebElements Periodic Table. Retrieved 9 December 2007.
↑ Oganessian, Yu. Ts.; Utyonkov, V. K.; Lobanov, Yu. V.; Abdullin, F. Sh.; Polyakov, A. N.; Sagaidak, R. N.; Shirokovsky, I. V.; Tsyganov, Yu. S.; et al. (9 October 2006). "Synthesis of the isotopes of elements 118 and 116 in the ²⁴⁹Cf and ²⁴⁵Cm+⁴⁸Ca fusion reactions". Physical Review C. 74 (4): 044602. Bibcode:2006PhRvC..74d4602O. doi:10.1103/PhysRevC.74.044602. Retrieved 18 Januar 2008. Cite uses deprecated parameter |displayauthors= (help)
↑ Aron, Jacob (8 Juin 2016). "Four new element names to be added to the periodic table". New Scientist. Retrieved 6 September 2023.

[1] Ritter, Malcolm (9 Juin 2016). "Periodic table elements named for Moscow, Japan, Tennessee". Associated Press. Retrieved 19 December 2017.

[Nash2005-2] Nash, Clinton S. (2005). "Atomic and Molecular Properties of Elements 112, 114, and 118". Journal of Physical Chemistry A. 109 (15): 3493–3500. Bibcode:2005JPCA..109.3493N. doi:10.1021/jp050736o. PMID 16833687. Cite error: Invalid <ref> tag; name "Nash2005" defined multiple times wi different content

[Haire-3] ↑ ^a ^b ^c ^d ^e ^f ^g Hoffman, Darleane C.; Lee, Diana M.; Pershina, Valeria (2006). "Transactinides and the future elements". In Morss; Edelstein, Norman M.; Fuger, Jean (eds.). The Chemistry of the Actinide and Transactinide Elements (3rd ed.). Dordrecht, The Netherlands: Springer Science+Business Media. ISBN 978-1-4020-3555-5. Cite error: Invalid <ref> tag; name "Haire" defined multiple times wi different content

[B&K-4] Bonchev, Danail; Kamenska, Verginia (1981). "Predicting the Properties of the 113–120 Transactinide Elements". Journal of Physical Chemistry. American Chemical Society. 85 (9): 1177–1186. doi:10.1021/j150609a021.

[Eichler-5] Eichler, R.; Eichler, B., Thermochemical Properties of the Elements Rn, 112, 114, and 118 (PDF), Paul Scherrer Institut, retrieved 23 October 2010

[hydride-6] 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.

[Kaldor-7] Kaldor, Uzi; Wilson, Stephen (2003). Theoretical Chemistry and Physics of Heavy and Superheavy Elements. Springer. p. 105. ISBN 978-1402013713. Retrieved 18 Januar 2008. Cite error: Invalid <ref> tag; name "Kaldor" defined multiple times wi different content

[BFricke-8] Fricke, Burkhard (1975). "Superheavy elements: a prediction of their chemical and physical properties". Recent Impact of Physics on Inorganic Chemistry. 21: 89–144. doi:10.1007/BFb0116498. Retrieved 4 October 2013.

[rsc-9] Chemical Data. Ununoctium - Uuo, Royal Chemical Society

[webelements-10] "Ununoctium". WebElements Periodic Table. Retrieved 9 December 2007.

[synthesis-118-116-11] Oganessian, Yu. Ts.; Utyonkov, V. K.; Lobanov, Yu. V.; Abdullin, F. Sh.; Polyakov, A. N.; Sagaidak, R. N.; Shirokovsky, I. V.; Tsyganov, Yu. S.; et al. (9 October 2006). "Synthesis of the isotopes of elements 118 and 116 in the ²⁴⁹Cf and ²⁴⁵Cm+⁴⁸Ca fusion reactions". Physical Review C. 74 (4): 044602. Bibcode:2006PhRvC..74d4602O. doi:10.1103/PhysRevC.74.044602. Retrieved 18 Januar 2008. Cite uses deprecated parameter |displayauthors= (help)

[12] Aron, Jacob (8 Juin 2016). "Four new element names to be added to the periodic table". New Scientist. Retrieved 6 September 2023.

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