اکسایش و کاهش

Also known as reduction-oxidation, reduction-oxidation reaction, oxidation-reduction, redox reaction, oxidation-reduction reaction

upright=1.6|class=skin-invert-image|thumb|right|Sodium "gives" one outer electron to [[fluorine, bonding them to form sodium fluoride. The sodium atom is oxidized, and fluorine is reduced.]] thumb|right|upright=1.25|When a few drops of glycerol (mild reducing agent) are added to powdered [[potassium permanganate (strong oxidizing agent), a violent redox reaction accompanied by self-ignition starts.]]