Pearson soft Lewis base (generic) Soft Lewis base (generic)   Special class of generic used to represent "generic chemical reactivity behaviour" rather than structure. Wikipedia Page: Soft Lewis base (generic) is defined with respect to the entities below: The entities below are defined with respect to: Soft Lewis base (generic) Arsine, trialkyl (generic) Benzene Carbanion (generic) Carbon monoxide Cyanide ion Ethylene Hydride ion Iodide ion Isocyanide (generic) Phosphine (generic) Thioanion (generic) Thiocyanate ion Thioether (generic) Thiol (generic) Trimethylphosphite chemical compound molecule metal molecular science reaction mechanism ionic material acid base geometry reactivity synthesis science knowledge chemistry Lewis