• In chemistry, valence bond (VB) theory is one of the two basic theories, along with molecular orbital (MO) theory, that were developed to use the methods...
    12 KB (1,576 words) - 07:10, 29 April 2024
  • theory (DFT) or Hartree–Fock (HF) models to the Schrödinger equation. Molecular orbital theory and valence bond theory are the foundational theories of...
    22 KB (2,943 words) - 17:32, 23 June 2024
  • Modern valence bond theory is the application of valence bond theory (VBT) with computer programs that are competitive in accuracy and economy, with programs...
    20 KB (2,703 words) - 07:52, 11 June 2024
  • Thumbnail for Chemical bond
    polarity of bonds. The octet rule and VSEPR theory are examples. More sophisticated theories are valence bond theory, which includes orbital hybridization and...
    40 KB (4,876 words) - 20:13, 24 May 2024
  • Thumbnail for Covalent bond
    share "valence", such as is discussed in valence bond theory. In the molecule H 2, the hydrogen atoms share the two electrons via covalent bonding. Covalency...
    28 KB (3,654 words) - 19:53, 20 August 2024
  • bonds in valence bond theory. For example, in a carbon atom which forms four single bonds, the valence-shell s orbital combines with three valence-shell...
    33 KB (3,164 words) - 10:14, 24 April 2024
  • causes of valence led to the modern theories of chemical bonding, including the cubical atom (1902), Lewis structures (1916), valence bond theory (1927)...
    40 KB (2,914 words) - 06:38, 15 August 2024
  • Thumbnail for VSEPR theory
    Valence shell electron pair repulsion (VSEPR) theory (/ˈvɛspər, vəˈsɛpər/ VESP-ər,: 410  və-SEP-ər) is a model used in chemistry to predict the geometry...
    45 KB (4,038 words) - 17:14, 16 August 2024
  • Thumbnail for Valence electron
    single covalent bond, a shared pair forms with both atoms in the bond each contributing one valence electron. The presence of valence electrons can determine...
    24 KB (2,333 words) - 22:12, 20 May 2024
  • In condensed matter physics, the resonating valence bond theory (RVB) is a theoretical model that attempts to describe high-temperature superconductivity...
    5 KB (597 words) - 10:23, 14 August 2023