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Plantilla:Hassi

Hassi
108Hs
bohrihassimeitneri
Os

Hs

(Uhn)
Aspecte
Platejat (predit)[1]
Propietats generals
Nom, símbol, nombre Hassi, Hs, 108
Categoria d'elements Metalls de transició
Grup, període, bloc 87, d
Pes atòmic estàndard [269]
Configuració electrònica [Rn] 5f14 6d6 7s2
(predit)[2]
2, 8, 18, 32, 32, 14, 2 (predit)
Configuració electrònica de Hassi
Propietats físiques
Fase Sòlid (predit[3])
Densitat
(prop de la t. a.)
40,7 (predit)[2][4] g·cm−3
Propietats atòmiques
Estats d'oxidació 8, (6), (5), (4), (3), (2)[1][2][4][5]
(els estats d'oxidació entre parèntesis són predits)
Energies d'ionització
(més)
1a: 733,3 (estimat)[2] kJ·mol−1
2a: 1.756,0 (estimat)[2] kJ·mol−1
3a: 2.827,0 (estimat)[2] kJ·mol−1
Radi atòmic 126 (estimat)[2] pm
Radi covalent 134 (estimat)[6] pm
Miscel·lània
Estructura cristal·lina Hexagonal compacta (predit)[3]
Nombre CAS 54037-57-9
Isòtops més estables
Article principal: Isòtops del hassi
Iso AN Semivida MD ED (MeV) PD
277Hs sin 2 s FE
277mHs ? sin ~11 min?[7] FE
271Hs sin ~4 s α 9,27,9,13 267Sg
270Hs sin 3,6 s α 9,02,8,88 266Sg
269Hs sin 9,7 s α 9,21,9,10,8,97 265Sg
Només s'inclouen els isòtops de semivida superior a 1 segon
  1. 1,0 1,1 Emsley, John. Nature's Building Blocks: An A-Z Guide to the Elements. New. New York, NY: Oxford University Press, 2011, p. 215–7. ISBN 978-0-19-960563-7. 
  2. 2,0 2,1 2,2 2,3 2,4 2,5 2,6 Haire, Richard G. «Transactinides and the future elements». A: The Chemistry of the Actinide and Transactinide Elements. 3a edició. Dordrecht (Països Baixos): Springer Science+Business Media, 2006. ISBN 1-4020-3555-1. 
  3. 3,0 3,1 Östlin, A.; Vitos, L. «First-principles calculation of the structural stability of 6d transition metals». Physical Review B, 84, 11, 2011. Bibcode: 2011PhRvB..84k3104O. DOI: 10.1103/PhysRevB.84.113104.
  4. 4,0 4,1 Fricke, Burkhard «Superheavy elements: a prediction of their chemical and physical properties». Recent Impact of Physics on Inorganic Chemistry, 21, 1975, pàg. 89–144. DOI: 10.1007/BFb0116498 [Consulta: 4 octubre 2013].
  5. «Investigation of group 8 metallocenes @ TASCA». 7th Workshop on Recoil Separator for Superheavy Element Chemistry TASCA 08. Gesellschaft für Schwerionenforschung, 31-10-2008. [Consulta: 25 març 2013].
  6. «Chemical Data: Hassium». Visual Elements Periodic Table. Royal Society of Chemistry, 2011.
  7. Oganessian, Yu. Ts.; Utyonkov, V. K.; Lobanov, Yu. V.; Abdullin, F. Sh.; Polyakov, A. N.; Shirokovsky, I. V.; Tsyganov, Yu. S.; Gulbekian, G. G.; Bogomolov, S. L. «Synthesis of superheavy nuclei in 48Ca+244Pu interactions». Physics of Atomic Nuclei, 63, 10, 2000, pàg. 1679–1687. Bibcode: 2000PAN....63.1679O. DOI: 10.1134/1.1320137.
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Plantilla:Hassi
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