• Thumbnail for Hassium tetroxide
    Hassium tetroxide (also hassium(VIII) oxide) is the inorganic compound with the formula HsO4. It is the highest oxide of hassium, a transactinide transition...
    5 KB (359 words) - 12:52, 28 January 2024
  • Thumbnail for Hassium
    that hassium behaves as the heavier homologue to osmium, reacting readily with oxygen to form a volatile tetroxide. The chemical properties of hassium have...
    95 KB (13,906 words) - 12:52, 28 January 2024
  • Thumbnail for Osmium tetroxide
    Osmium tetroxide (also osmium(VIII) oxide) is the chemical compound with the formula OsO4. The compound is noteworthy for its many uses, despite its toxicity...
    25 KB (2,338 words) - 15:14, 18 March 2024
  • Thumbnail for Group 8 element
    have been measured, such as enthalpy of adsorption of hassium tetroxide, but properties of hassium metal remain unknown and only predictions are available...
    9 KB (909 words) - 23:48, 5 December 2023
  • Thumbnail for Meitnerium
    chemical characterization of hassium, hassium tetroxide (HsO4) was compared with the analogous osmium compound, osmium tetroxide (OsO4). In a preliminary...
    30 KB (6,811 words) - 09:19, 28 March 2024
  • Retrieved 2008-02-29. Hs(VIII) has been observed in hassium tetroxide (HsO4); see "Chemistry of Hassium" (PDF). Gesellschaft für Schwerionenforschung mbH...
    46 KB (14,106 words) - 15:20, 24 February 2024
  • Thumbnail for Osmium
    element aside from iridium's +9 and is encountered only in xenon, ruthenium, hassium, iridium, and plutonium. The oxidation states −1 and −2 represented by...
    48 KB (5,537 words) - 03:29, 25 March 2024
  • former municipality in the Trikala regional unit, Thessaly, Greece\ Hassium tetroxide, via the *-ia terminology for metal oxides This disambiguation page...
    465 bytes (91 words) - 02:02, 3 August 2023
  • Thumbnail for Ruthenium
    tetrahedral ruthenium tetroxide, RuO4, an aggressive, strong oxidizing agent with structure and properties analogous to osmium tetroxide. RuO4 is mostly used...
    50 KB (5,747 words) - 01:41, 14 March 2024
  • element aside from iridium's +9 and is encountered only in xenon, ruthenium, hassium, iridium, and plutonium. The oxidation states −1 and −2 represented by...
    23 KB (2,385 words) - 01:51, 24 November 2023
  • the JINR led by Oganessian published results of their attempt to create hassium in a symmetric 136Xe + 136Xe reaction. They failed to observe a single...
    35 KB (7,027 words) - 02:04, 5 February 2024
  • Thumbnail for Pnictogen
    hypophosphorous acid and the +4 oxidation state in hypophosphoric acid. Antimony tetroxide is a mixed-valence compound, where half of the antimony atoms are in the...
    34 KB (4,007 words) - 22:10, 25 March 2024
  • Thumbnail for Heavy metals
    consumed over a period of two months to three years). Exposure to osmium tetroxide (OsO4) may cause permanent eye damage and can lead to respiratory failure...
    179 KB (15,069 words) - 07:45, 19 March 2024
  • Thumbnail for List of chemical element name etymologies
    smell" descriptive From Greek ὀσμή (osme), meaning "a smell", as osmium tetroxide is foul-smelling. Iridium (Ir) 77 ἴρις (genitive: ἴριδος) (iris) Greek...
    72 KB (1,766 words) - 17:16, 25 March 2024
  • Thumbnail for Noble gas
    (XeF 2), xenon tetrafluoride (XeF 4), xenon hexafluoride (XeF 6), xenon tetroxide (XeO 4), and sodium perxenate (Na 4XeO 6). Xenon reacts with fluorine...
    72 KB (7,317 words) - 18:27, 21 March 2024
  • Thumbnail for Antimony
    concentrated nitric acid. Antimony also forms a mixed-valence oxide, antimony tetroxide (Sb 2O 4), which features both Sb(III) and Sb(V). Unlike oxides of phosphorus...
    60 KB (6,879 words) - 18:02, 21 March 2024
  • Thumbnail for Iridium
    M.; Riedel, S. (2009). "Formation and Characterization of the Iridium Tetroxide Molecule with Iridium in the Oxidation State +VIII". Angewandte Chemie...
    81 KB (7,801 words) - 22:43, 20 March 2024
  • Thumbnail for Plutonium
    C5H3(SiMe3)2. A +8 oxidation state is possible as well in the volatile tetroxide PuO 4. Though it readily decomposes via a reduction mechanism similar...
    141 KB (15,168 words) - 02:59, 22 March 2024
  • Thumbnail for Nitrogen
    N2O3 (dinitrogen trioxide), NO2 (nitrogen dioxide), N2O4 (dinitrogen tetroxide), N2O5 (dinitrogen pentoxide), N4O (nitrosylazide), and N(NO2)3 (trinitramide)...
    105 KB (12,177 words) - 20:06, 9 February 2024
  • Simon von Euler-Chelpin Harold Clayton Urey Harold Kroto Hartmut Michel Hassium heat Heat of fusion Heat of vaporization Heavy metal (chemistry) Heinrich...
    23 KB (1,946 words) - 11:43, 9 February 2024
  • Thumbnail for Xenon
    yields gaseous xenon tetroxide: Ba 2XeO 6 + 2 H 2SO 4 → 2 BaSO 4 + 2 H 2O + XeO 4 To prevent decomposition, the xenon tetroxide thus formed is quickly...
    110 KB (11,984 words) - 06:03, 21 March 2024
  • Thumbnail for Curium
    magnesium (26Mg), or calcium (48Ca) yields isotopes of seaborgium (265Sg), hassium (269Hs and 270Hs), and livermorium (292Lv, 293Lv, and possibly 294Lv)....
    66 KB (7,736 words) - 03:06, 22 March 2024