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- Hassium abstract "Hassium is a chemical element with symbol Hs and atomic number 108, named in honor of the German state of Hesse. It is a synthetic element (an element that can be created in a laboratory but is not found in nature) and radioactive; the most stable known isotope, 269Hs, has a half-life of approximately 9.7 seconds, although an unconfirmed metastable state, 277mHs, may have a longer half-life of about 11 minutes. More than 100 atoms of hassium have been synthesized to date.In the periodic table of the elements, it is a d-block transactinide element. It is a member of the 7th period and belongs to the group 8 elements. Chemistry experiments have confirmed that hassium behaves as the heavier homologue to osmium in group 8. The chemical properties of hassium are characterized only partly, but they compare well with the chemistry of the other group 8 elements. In bulk quantities, hassium is expected to be a silvery metal that reacts readily with oxygen in the air, forming a volatile tetroxide.".
- Hassium thumbnail Deutschland_Lage_von_Hessen.svg?width=300.
- Hassium wikiPageExternalLink 108-chemistry.html.
- Hassium wikiPageExternalLink 108.htm.
- Hassium wikiPageExternalLink index.html.
- Hassium wikiPageID "13764".
- Hassium wikiPageRevisionID "605508732".
- Hassium align "right".
- Hassium alt "Ferrocene".
- Hassium alt "Ruthenocene".
- Hassium caption "In ferrocene, the cyclopentadienyl rings are in a staggered conformation.".
- Hassium caption "In ruthenocene and osmocene, the cyclopentadienyl rings are in an eclipsed conformation. Hassocene is predicted to also have this structure.".
- Hassium direction "vertical".
- Hassium hasPhotoCollection Hassium.
- Hassium image "Ferrocene-from-xtal-3D-balls.png".
- Hassium image "Ruthenocene-from-xtal-3D-balls.png".
- Hassium width "150".
- Hassium subject Category:Chemical_elements.
- Hassium subject Category:Hassium.
- Hassium subject Category:Synthetic_elements.
- Hassium subject Category:Transition_metals.
- Hassium comment "Hassium is a chemical element with symbol Hs and atomic number 108, named in honor of the German state of Hesse. It is a synthetic element (an element that can be created in a laboratory but is not found in nature) and radioactive; the most stable known isotope, 269Hs, has a half-life of approximately 9.7 seconds, although an unconfirmed metastable state, 277mHs, may have a longer half-life of about 11 minutes.".
- Hassium label "Has".
- Hassium label "Hassio".
- Hassium label "Hassio".
- Hassium label "Hassium".
- Hassium label "Hassium".
- Hassium label "Hassium".
- Hassium label "Hassium".
- Hassium label "Hássio".
- Hassium label "Хассий".
- Hassium label "هاسيوم".
- Hassium label "ハッシウム".
- Hassium label "𨭆".
- Hassium sameAs Hassium.
- Hassium sameAs Hassium.
- Hassium sameAs Χάσιο.
- Hassium sameAs Hassio.
- Hassium sameAs Hassio.
- Hassium sameAs Hassium.
- Hassium sameAs Hasium.
- Hassium sameAs Hassio.
- Hassium sameAs ハッシウム.
- Hassium sameAs 하슘.
- Hassium sameAs Hassium.
- Hassium sameAs Has.
- Hassium sameAs Hássio.
- Hassium sameAs m.025rtwf.
- Hassium sameAs Q1252.
- Hassium sameAs Q1252.
- Hassium wasDerivedFrom Hassium?oldid=605508732.
- Hassium depiction Deutschland_Lage_von_Hessen.svg.
- Hassium isPrimaryTopicOf Hassium.