🌐فارسیEnglishEspañolFrançaisNederlandsPortuguêsفارسی한국어日本語EntityQ2421183· pop 18· linked from 71 articlesکمپلکس فعالan arrangement of atoms in an arbitrary region near the saddle point of a potential energy surfaceAvailable in 18 languagesEspañolFrançais日本語PortuguêsBasqueCatalanCentral KurdishCzechHebrewHungarianIrishConnectionschemical reagentEntityreaction intermediateEntityCategoriesChemical kineticsReaction mechanisms