SEARCH Articles Figures Tables Atomic Core and Valence Regions Density of states for valence-band region Energy valence-region, equations Formula for the Valence Region Energy Momentum space valence region Perturbation of the Valence Region THE VALENCE REGION OF MOLECULES The Valence Region Energy of Atoms The Valence Region and Comparison with Studies of Gaseous Molecules Valence band region Valence region bulk solids Valence shell region