SEARCH Articles Figures Tables Increased-Valence or Electronic Hypervalence via Pauling 3-Electron Bonds Pauling 3-Electron Bonds and Increased-Valence Structures Pauling 3-Electron Bonds and Increased-Valence Structures for Pauling electrostatic valence principle Pauling valence bond Pauling valence-bond model Pauling valency strength Paulings electrostatic valence model