• Thumbnail for Alfred Werner
    Alfred Werner (12 December 1866 – 15 November 1919) was a Swiss chemist who was a student at ETH Zurich and a professor at the University of Zurich. He...
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  • Thumbnail for Ligand
    Prussian blue and copper vitriol. The key breakthrough occurred when Alfred Werner reconciled formulas and isomers. He showed, among other things, that...
    35 KB (3,307 words) - 15:24, 6 November 2024
  • Thumbnail for Octahedral molecular geometry
    octahedral. The concept of octahedral coordination geometry was developed by Alfred Werner to explain the stoichiometries and isomerism in coordination compounds...
    15 KB (1,554 words) - 05:25, 31 October 2023
  • Thumbnail for Werner Klemperer
    Werner Klemperer (March 22, 1920 – December 6, 2000) was an American actor. He was known for playing Colonel Wilhelm Klink on the CBS television sitcom...
    27 KB (1,991 words) - 00:51, 5 November 2024
  • Thumbnail for Hexaamminecobalt(III) chloride
    which is considered an archetypal "Werner complex", named after the pioneer of coordination chemistry, Alfred Werner. The cation itself is a metal ammine...
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  • 1919 – Mohammad Farid, Egyptian lawyer and politician (b. 1868) 1919 – Alfred Werner, French-Swiss chemist and academic, Nobel Prize laureate (b. 1866) 1921...
    57 KB (5,523 words) - 03:40, 19 November 2024
  • Thumbnail for Odilon Redon
    B0007DNIKO Odilon Redon and Alfred Werner, The Graphic Works of Odilon Redon, Dover, 1969, ISBN 0-486-21996-8 Odilon Redon and Alfred Werner, The Graphic Works...
    30 KB (2,714 words) - 20:10, 7 November 2024
  • Thumbnail for Octet rule
    valencies of the atoms involved apparently became satisfied. In 1893, Alfred Werner showed that the number of atoms or groups associated with a central...
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  • Thumbnail for Tris(ethylenediamine)cobalt(III) chloride
    different salts have been described. The complex was first described by Alfred Werner who isolated this salt as yellow-gold needle-like crystals. The compound...
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  • Thumbnail for Coordination complex
    today was published by Alfred Werner. Werner's work included two important changes to the Blomstrand theory. The first was that Werner described the two possibilities...
    57 KB (5,548 words) - 12:34, 17 November 2024
  • Thumbnail for Periodic table
    Thomsen in 1895, and the Swiss chemist Alfred Werner in 1905. Bohr used Thomsen's form in his 1922 Nobel Lecture; Werner's form is very similar to the modern...
    250 KB (26,986 words) - 04:50, 11 November 2024
  • Thumbnail for Metal ammine complex
    elemental analysis. Through studies mainly on the ammine complexes, Alfred Werner developed his Nobel Prize-winning concept of the structure of coordination...
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  • distinguishing different types of valence or of bond. However, in 1893 Alfred Werner described transition metal coordination complexes such as [Co(NH3)6]Cl3...
    40 KB (2,914 words) - 06:38, 15 August 2024
  • 1921 Léon Bourgeois, Peace, 1920 Romain Rolland, Literature, 1915 Alfred Werner*, Chemistry, 1913 Charles Richet, Physiology or Medicine, 1913 Alexis...
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  • Thumbnail for List of Nobel laureates
    will of Alfred Nobel, which dictates that the awards should be administered by the Nobel Foundation. An additional prize in memory of Alfred Nobel was...
    57 KB (1,739 words) - 18:53, 4 November 2024
  • Thumbnail for Werner Herzog
    Werner Herzog (German: [ˈvɛʁnɐ ˈhɛʁtsoːk]; né Stipetić; born 5 September 1942) is a German filmmaker, actor, opera director, and author. Regarded as a...
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  • 1167) Abraham Gottlob Werner (1749–1817), German geologist Alfred Werner (1866–1919), Swiss Nobel Prize–winning chemist Alice Werner (1859-1935), German/English...
    11 KB (1,297 words) - 05:34, 27 October 2024
  • Thumbnail for Timeline of chemistry
    electrons in a cathode ray tube. These would later be named protons. 1893 Alfred Werner discovers the octahedral structure of cobalt complexes, thus establishing...
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  • reaction. Nagai Nagayoshi synthesizes methamphetamine from ephedrine. Alfred Werner discovers the octahedral structure of cobalt complexes, thus establishing...
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  • Thumbnail for ETH Zurich
    Albert Einstein, 1921 Nobel Prize in Physics John von Neumann, polymath Alfred Werner, 1913 Nobel Prize in Chemistry Felix Bloch, 1952 Nobel Prize in Physics...
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  • Thumbnail for Cis–trans isomerism
    there are two isomers of square planar Pt(NH3)2Cl2, as explained by Alfred Werner in 1893. The cis isomer, whose full name is cis-diamminedichloroplatinum(II)...
    16 KB (1,739 words) - 01:08, 5 August 2024
  • Thumbnail for Fritz Haber
    Wallach 1911: Marie Curie 1912: Victor Grignard / Paul Sabatier 1913: Alfred Werner 1914: Theodore Richards 1915: Richard Willstätter 1916 1917 1918: Fritz...
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  • Thumbnail for World War III
    so as to revert mankind to the Stone Age. When asked by journalist Alfred Werner what types of weapons Einstein believed World War III might be fought...
    102 KB (10,219 words) - 12:25, 19 November 2024
  • Thumbnail for Dmitri Mendeleev
    Mendeleev, Alfred Werner, Adolf von Baeyer, and other prominent chemists...
    55 KB (5,780 words) - 07:48, 18 November 2024
  • Metropolis (d. 1903) 1863 – Edvard Munch, Norwegian painter (d. 1944) 1866 – Alfred Werner, Swiss chemist and academic, Nobel Prize laureate (d. 1919) 1870 – Walter...
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  • Alfred C. Werner (September 24, 1917 – January 10, 2013) was an American football, basketball, soccer, and track coach, physical education professor, and...
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  • Thumbnail for Chloropentamminecobalt chloride
    of cobalt coordination chemistry that Alfred Werner was awarded the Nobel Prize in Chemistry. Prior to Werner, the models of amine complexes postulated...
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  • Thumbnail for Transplatin
    solubility in DMF. The existence of two isomers of PtCl2(NH3)2 led Alfred Werner to propose square planar molecular geometry. It belongs to the molecular...
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  • Thumbnail for Cobalt
    where the halides are replaced by nitrite, hydroxide, carbonate, etc. Alfred Werner worked extensively on these complexes in his Nobel-prize winning work...
    117 KB (12,028 words) - 02:36, 10 November 2024
  • Thumbnail for History of chemistry
    comprehensive and important in the realm of natural sciences. In 1893, Alfred Werner discovered the octahedral structure of cobalt complexes, thus establishing...
    156 KB (19,387 words) - 08:22, 2 November 2024