• Thumbnail for Richard Abegg
    Richard Wilhelm Heinrich Abegg (9 January 1869 – 3 April 1910) was a German chemist and pioneer of valence theory. He proposed that the difference of the...
    9 KB (887 words) - 17:13, 5 May 2024
  • Heinrich Abegg (1796–1868), German criminalist Lily Abegg (1901–1974), Swiss journalist Marisa Abegg (born 1987), American soccer player Richard Abegg (1869–1910)...
    692 bytes (119 words) - 13:26, 11 July 2023
  • Thumbnail for Clara Immerwahr
    University of Breslau, attaining her degree and a PhD in chemistry under Richard Abegg in 1900, after 8 semesters of study (two more than required for male...
    17 KB (1,664 words) - 03:58, 12 February 2024
  • Thumbnail for Electron configuration
    to hold eight.…» The valence electrons in the atom were described by Richard Abegg in 1904. In 1924, E. C. Stoner incorporated Sommerfeld's third quantum...
    60 KB (6,147 words) - 22:00, 18 May 2024
  • elements, in 1904 Richard Abegg considered positive and negative valences (maximal and minimal oxidation states), and proposed Abegg's rule to the effect...
    40 KB (2,906 words) - 14:05, 19 June 2024
  • formulated in 1904 by German chemist Richard Abegg. Gilbert N. Lewis was one of the first to refer to the concept as "Abegg's rule" when he used it as a basis...
    3 KB (293 words) - 18:18, 27 October 2023
  • Thumbnail for Octet rule
    numbers up to a maximum of 8 were known, but less frequent. In 1904, Richard Abegg was one of the first to extend the concept of coordination number to...
    22 KB (2,869 words) - 19:16, 11 May 2024
  • theory of valence found its most elaborate expression in the work of Richard Abegg in 1904, but Lewis’ version of this theory was the only one to be embodied...
    37 KB (4,207 words) - 19:25, 3 June 2024
  • Thumbnail for August Wilhelm von Hofmann
    Berlin University Doctoral advisor Justus von Liebig Doctoral students Richard Abegg Eugen Bamberger Lazăr Edeleanu Fritz Haber Rudolf Hugo Nietzki Adolf...
    28 KB (3,192 words) - 16:30, 3 November 2023
  • Thumbnail for Chemical bond
    joined owing to an attraction of positive and negative poles. In 1904, Richard Abegg proposed his rule that the difference between the maximum and minimum...
    40 KB (4,876 words) - 20:13, 24 May 2024