A radical ion is a free radical species that carries a charge. Radical ions are encountered in organic chemistry as reactive intermediates.
Naphthalene Semiquinone Hydrogen ion Ion Sodium Bipolaron Acyloin condensation One-electron reduction Ketyl Mass spectrum analysis Reaction intermediate Hexamethylphosphoramide Conductive polymer Birch reduction Pyrene Dimethoxyethane Electron paramagnetic resonance Cyclooctatetraene Electron ionization Benzophenone Mass spectrum Methyl group Anthracene Parts-per notation Quinone Reflux Polaron Superoxide Tetrahydrofuran Quintet Aromaticity Radical (chemistry) Hydroxyl Diethyl ether Alkali metal Distillation Methanol Mass spectrometry Benzene Organic chemistry