computational chemistry, 309 computational photochemistry, 310 computer-assisted drug design (CADD), 310 computer-assisted molecular design (CAMD), 310 computer-assisted molecular modeling (CAMM), 310 concave isotherm in chromatography , 310 concentration, 311 concentration depolarization, 311 concentration distribution ratio, in chromatography , 311 concentration factor [obsolete] in solvent extraction, 311 concentration gradient, , 312 concentration in experimental surface (or surface concentration) , 312 concentration overpotential, 312 concentration thermometric technique [obsolete] in enthalpimetric analysis , 312 concentration-cell corrosion, 313 concentration-sensitive detector in chromatography , 313 concerted process, 313 concerted reaction , 313 condensation in atmospheric chemistry , 313condensation nuclei (CN) in atmospheric chemistry , 314 condensation polymerization (polycondensation), 314 condensation reaction, 314 conditional (formal) potential, 314 conditioning in solvent extraction , 315 conductance, , 315 conducting polymer, 315 conducting polymer composite, 316 conduction band, 316 conductivity, , , 316 confidence level, 316 confidence limits (about the mean), 317 configuration (electronic), 317 configuration interaction (CI), 317 configuration (stereochemical), 318 configurational base unit in polymers , 318 configurational disorder in polymers , 318 configurational homosequence in polymers , 318 configurational repeating unit in polymers , 318 configurational sequence in polymers , 319 configurational unit in polymers , 319 conformation, 319 conformational analysis, 319 conformational analysis in drug design , 320 conformational disorder in polymers , 320 conformer, 320 congener, 320 conglomerate, 321 congruent transition, 321 conical intersection, 321 coning and quartering in analytical chemistry , 322 conjugate acid–base pair, 322 conjugate solutions, 322 conjugated system (conjugation), 322 conjugation in gene technology , 323 conjugation labelling in radioanalytical chemistry , 323 conjugative mechanism, 323 conjunctive name, 323