Template:Infobox hassium

Hassium, ₁₀₈Hs
General properties
Pronunciation	Template:Infobox element/pronunciation
Appearance	silvery (predicted)
Standard atomic weight (Ar, standard)	Template:Infobox element/standard atomic weight
Mass number	Template:Infobox element/symbol-to-most-stable-isotope (most stable isotope)
Hassium in the periodic table
	Template:Infobox element/periodic table
Atomic number (Z)	108
Group	Template:Infobox element/group
Period	period 7
Block	d-block
Element category	Template:Infobox element/category format
Electron configuration	[Rn] 5f14 6d6 7s2
Electrons per shell	2, 8, 18, 32, 32, 14, 2
Physical properties
Phase at STP	solid (predicted)
Density (near r.t.)	41 g/cm3 (predicted)
Atomic properties
Oxidation states	Template:Infobox element/symbol-to-oxidation-state
[[Ionization energy\|Template:Engvar energies]]	1st: 730 kJ/mol ; 2nd: 1760 kJ/mol ; 3rd: 2830 kJ/mol ; (more) (all but first estimated);
Atomic radius	empirical: 126 pm (estimated)
Covalent radius	134 pm (estimated)
	Template:Infobox element/spectral lines
Other properties
Crystal structure	Template:Infobox element/crystal structure Template:Infobox element/crystal structure; (predicted)
CAS Number	54037-57-9
History
Naming	after Hassia, Latin for Hesse, Germany, where it was discovered
Discovery	Gesellschaft für Schwerionenforschung (1984)
Main isotopes of hassium
	Template:Infobox element/isotopes table
	view; talk; edit; \| references

↑ ^1.0 ^1.1 ^1.2 Emsley, John (2011). Nature's Building Blocks: An A-Z Guide to the Elements (New ed.). New York, NY: Oxford University Press. p. 215–7. ISBN 978-0-19-960563-7.
↑ ^2.0 ^2.1 ^2.2 ^2.3 ^2.4 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.
↑ ^3.0 ^3.1 Östlin, A.; Vitos, L. (2011). "First-principles calculation of the structural stability of 6d transition metals". Physical Review B. 84 (11). Bibcode:2011PhRvB..84k3104O. doi:10.1103/PhysRevB.84.113104.
↑ Robertson, Murray (2011). "Chemical Data: Hassium". Visual Elements Periodic Table. Royal Society of Chemistry. Retrieved 28 November 2012.
↑ 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.
↑ Düllmann, Christoph E. (31 October 2008). "Investigation of group 8 metallocenes @ TASCA" (PDF). 7th Workshop on Recoil Separator for Superheavy Element Chemistry TASCA 08. Gesellschaft für Schwerionenforschung. Retrieved 25 March 2013.

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