Template:Infobox oganesson

Oganesson, ₁₁₈Og
General properties
Pronunciation	Template:Infobox element/pronunciation
Standard atomic weight (Ar, standard)	Template:Infobox element/standard atomic weight
Mass number	Template:Infobox element/symbol-to-most-stable-isotope (most stable isotope) (unconfirmed: 295)
Oganesson in the periodic table
	Template:Infobox element/periodic table
Atomic number (Z)	118
Group	Template:Infobox element/group
Period	period 7
Block	p-block
Element category	Template:Infobox element/category format, but probably a noble gas
Electron configuration	[Rn] 5f14 6d10 7s2 7p6 (predicted)
Electrons per shell	2, 8, 18, 32, 32, 18, 8 (predicted)
Physical properties
Phase at STP	solid (predicted)
Boiling point	350±30 K (80±30 °C, 170±50 °F) (extrapolated)
Density when liquid (at m.p.)	4.9–5.1 g/cm3 (predicted)
Critical point	439 K, 6.8 MPa (extrapolated)
Heat of fusion	23.5 kJ/mol (extrapolated)
[[Enthalpy of vaporization\|Heat of Template:Engvar]]	19.4 kJ/mol (extrapolated)
Atomic properties
Oxidation states	Template:Infobox element/symbol-to-oxidation-state
[[Ionization energy\|Template:Engvar energies]]	1st: 860.1 kJ/mol (predicted); 2nd: 1560 kJ/mol (predicted); ;
Covalent radius	157 pm (predicted)
	Template:Infobox element/spectral lines
Other properties
Crystal structure	Template:Infobox element/crystal structure Template:Infobox element/crystal structure; (extrapolated)
CAS Number	54144-19-3
History
Naming	after Yuri Oganessian
Prediction	Niels Bohr (1922)
Discovery	Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory (2002)
Main isotopes of oganesson
	Template:Infobox element/isotopes table
	view; talk; edit; \| references

Template:Infobox element/element navigation Template:Template reference list Expression error: Unrecognized word "template".

↑ ^1.0 ^1.1 ^1.2 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.
↑ ^2.0 ^2.1 ^2.2 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 1-4020-3555-1.
↑ 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.
↑ ^4.0 ^4.1 ^4.2 Eichler, R.; Eichler, B., Thermochemical Properties of the Elements Rn, 112, 114, and 118 (PDF), Paul Scherrer Institut, retrieved 2010-10-23
↑ Pershina, Valeria. "Theoretical Chemistry of the Heaviest Elements". In Schädel, Matthias; Shaughnessy, Dawn (eds.). The Chemistry of Superheavy Elements (2nd ed.). Springer Science & Business Media. p. 154. ISBN 9783642374661.
↑ 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
↑ 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.
↑ 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.
↑ ^10.0 ^10.1 Template:Citebook

[Nash2005-1] 1.0 ^1.1 ^1.2 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.

[Haire-2] 2.0 ^2.1 ^2.2 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 1-4020-3555-1.

[B&K-3] 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-4] 4.0 ^4.1 ^4.2 Eichler, R.; Eichler, B., Thermochemical Properties of the Elements Rn, 112, 114, and 118 (PDF), Paul Scherrer Institut, retrieved 2010-10-23

[VPershina-5] Pershina, Valeria. "Theoretical Chemistry of the Heaviest Elements". In Schädel, Matthias; Shaughnessy, Dawn (eds.). The Chemistry of Superheavy Elements (2nd ed.). Springer Science & Business Media. p. 154. ISBN 9783642374661.

[BFricke-6] 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-7] Chemical Data. Ununoctium - Uuo, Royal Chemical Society

[60s-8] 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.

[hydride-9] 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-10] 10.0 ^10.1 Template:Citebook

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General properties
Pronunciation	Template:Infobox element/pronunciation
Standard atomic weight (A_r, standard)	Template:Infobox element/standard atomic weight
Mass number	Template:Infobox element/symbol-to-most-stable-isotope (most stable isotope) (unconfirmed: 295)
Oganesson in the periodic table
Template:Infobox element/periodic table
Atomic number (Z)	118
Group	Template:Infobox element/group
Period	period 7
Block	p-block
Element category	Template:Infobox element/category format, but probably a noble gas
Electron configuration	[Rn] 5f¹⁴ 6d¹⁰ 7s² 7p⁶ (predicted)^[1]^[2]
Electrons per shell	2, 8, 18, 32, 32, 18, 8 (predicted)
Physical properties
Phase at STP	solid (predicted)^[1]
Boiling point	350±30 K (80±30 °C, 170±50 °F) (extrapolated)^[1]
Density when liquid (at m.p.)	4.9–5.1 g/cm³ (predicted)^[3]
Critical point	439 K, 6.8 MPa (extrapolated)^[4]
Heat of fusion	23.5 kJ/mol (extrapolated)^[4]
[[Enthalpy of vaporization\|Heat of Template:Engvar]]	19.4 kJ/mol (extrapolated)^[4]
Atomic properties
Oxidation states	Template:Infobox element/symbol-to-oxidation-state
[[Ionization energy\|Template:Engvar energies]]	1st: 860.1 kJ/mol (predicted)^[5] 2nd: 1560 kJ/mol (predicted)^[6]
Covalent radius	157 pm (predicted)^[7]
Template:Infobox element/spectral lines
Other properties
Crystal structure	Template:Infobox element/crystal structure Template:Infobox element/crystal structure (extrapolated)^[8]
CAS Number	54144-19-3
History
Naming	after Yuri Oganessian
Prediction	Niels Bohr (1922)
Discovery	Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory (2002)
Main isotopes of oganesson
Template:Infobox element/isotopes table
view talk edit \| references