Valence IATs measure associations between concepts and positive or negative valence. Valence effect is used to allude to the effect of valence on unrealistic optimism. It is derived from the electron configuration of carbon, which has four valence electrons. Baryons are hadrons containing an odd number of valence quarks (at least 3). They exhibit metallic lustre, semiconducting properties and bonding or valence bands with delocalized character. Mesons are hadrons containing an even number of valence quarks (at least 2). Usually this electron is in the valence band. Suffering is the basic element that makes up the negative valence of affective phenomena. Such asymmetry in emotional valence creates another bias in language. Resonance has a deeper significance in the mathematical formalism of valence bond theory (VB). Also there is a strong energy degeneracy of different spin states in valence band. Most dimensional models incorporate valence and arousal or intensity dimensions. It introduces an intermediate band (IB) energy level in between the valence and conduction bands. First is the change in relative energy of the conduction and valence band. In the language of valence bond theory, the hybridization at oxygen is sp.