Template:Infobox hassium

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Hassium, 108Hs
Hassium
PronunciationListeni/ˈhæsiəm/ (HASS-ee-əm[1])
Appearancesilvery (predictit)[2]
Mass number[269]
Hassium in the periodic cairt
Hydrogen Helium
Lithium Beryllium Boron Carbon Nitrogen Oxygen Fluorine Neon
Sodium Magnesium Aluminium Silicon Phosphorus Sulfur Chlorine Argon
Potassium Calcium Scandium Titanium Vanadium Chromium Manganese Airn Cobalt Nickel Capper Zinc Gallium Germanium Arsenic Selenium Bromine Krypton
Rubidium Strontium Yttrium Zirconium Niobium Molybdenum Technetium Ruthenium Rhodium Palladium Siller (element) Cadmium Indium Tin Antimony Tellurium Iodine Xenon
Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium Ytterbium Lutetium Hafnium Tantalum Tungsten Rhenium Osmium Iridium Platinum Gowd Mercur (element) Thallium Leid (element) Bismuth Polonium Astatine Radon
Francium Radium Actinium Thorium Protactinium Uranium Neptunium Plutonium Americium Curium Berkelium Californium Einsteinium Fermium Mendelevium Nobelium Lawrencium Rutherfordium Dubnium Seaborgium Bohrium Hassium Meitnerium Darmstadtium Roentgenium Copernicium Ununtrium Flerovium Ununpentium Livermorium Ununseptium Ununoctium
Os

Hs

(Uhn)
bohriumhassiummeitnerium
Atomic nummer (Z)108
Groupgroup 8
Periodperiod 7
Blockd-block
Element category  Transeetion metal
Electron confeeguration[Rn] 5f14 6d6 7s2[3]
Electrons per shell2, 8, 18, 32, 32, 14, 2 (predictit)
Pheesical properties
Phase at STPsolit (predicted)[4]
Density (near r.t.)40.7 g/cm3 (predicted)[5][6]
Atomic properties
Oxidation states(+2), (+3), (+4), (+6), +8[7][6][8] (Template:Engvar: prediction)
Ionisation energies
  • 1st: 733.3 kJ/mol
  • 2nd: 1756.0 kJ/mol
  • 3rd: 2827.0 kJ/mol
  • (more) (aw estimatit)[5]
Atomic radiusempirical: 126 pm (estimatit)[5]
Covalent radius134 pm (estimatit)[9]
Ither properties
Naitural occurrencesynthetic
Creestal structurhexagonal close-packed (hcp)
Hexagonal close-packed creestal structur for hassium

(predictit)[4]
CAS Nummer54037-57-9
History
Naminafter Hassia, Laitin for Hesse, Germany, whaur it was discovered[2]
DiskiveryGesellschaft für Schwerionenforschung (1984)
Main isotopes o hassium
Iso­tope Abun­dance Hauf-life (t1/2) Decay mode Pro­duct
277Hs syn 2 s SF
277mHs ? syn ~130 s? SF
271Hs syn ~4 s α 267Sg
270Hs syn 3.6 s α 266Sg
269Hs syn 9.7 s α 265Sg
| references

Check temperaturs Hs: na inpit for C, K, F.

Check temperaturs Hs: na inpit for C, K, F.

References

  1. "Hassium". The Periodic Table of Videos. The University of Nottingham. Retrieved 19 October 2012.
  2. a b c 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.
  3. Hoffman 2006, p. 1672.
  4. a b 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.
  5. a b c d e 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.
  6. a b c 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. Cite error: Invalid <ref> tag; name "BFricke" defined multiple times wi different content
  7. Hoffman 2006, p. 1691.
  8. a b Düllmann, C. E. (2008). "Investigation of group 8 metallocenes @ TASCA" (PDF). 7th Workshop on Recoil Separator for Superheavy Element Chemistry TASCA 08. Gesellschaft für Schwerionenforschung. Archived frae the original (PDF) on 30 Apryle 2014. Cite error: Invalid <ref> tag; name "hassocene" defined multiple times wi different content
  9. Robertson, Murray (2011). "Chemical Data: Hassium". Visual Elements Periodic Table. Royal Society of Chemistry. Retrieved 28 November 2012.
  10. "Hassium". The Periodic Table of Videos. The University of Nottingham. Retrieved 19 October 2012.