E1:Nucleophiles s and electrophiles ■1 Nucleophiles electron-rich molecules and react with electrophiles Nucleophile ("nucleus-loving")=Lewis base(electron-pair donor) ooften negatively charged and used as Na+ or K+salt ●symbolized as:Nu. ■Nucleophilic center OThe specific atom or region of the molecule which is electron richCollege of Science E1: Nucleophiles and electrophiles „1 Nucleophiles zelectron-rich molecules and react with electrophiles zNucleophile (“nucleus-loving”) = Lewis base(electron-pair donor) zoften negatively charged and used as Na+ or K + salt zsymbolized as :Nu¯. „Nucleophilic center zThe specific atom or region of the molecule which is electron rich