SEARCH Articles Figures Tables Covalent Bonding in Ground and Excited States Covalent Excited States of Polyenes Covalent and ionic states Covalent bonding oxidation states Covalent bonds ground state Covalent bonds molecules with, oxidation states Covalent compound, oxidation state elements Covalent compounds oxidation states Covalent-ionic state mixing Ground state covalent character Physical state covalent compounds Purely Covalent Singlet and Triplet Repulsive States Solid-state structures covalent network crystals Use of Molecular Symmetry to Generate Covalent Excited States Based on Valence Bond Theory