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Oxidation Loss of electrons
Reduction Gain of electrons
Oxidising agent A substance which brings about oxidation
Reducing agent A substance that brings about reduction
Oxidation number The charge an atom has or appears to have when electrons are distributed according to certain rules
Oxidation Rules Any uncombined element is zero. An ion is equal to its charge. Sum of numbers in a compound is equal to zero. Oxygen is always -2 except in peroxides and OF2. Hydrogen is 1 except in metal hydrides. Halogens are always -1, unless <electronegative.
Oxidation in terms of Oxidation Number Increase in Oxidation number
Reduction in terms of Oxidation Number Decrease in Oxidation number
Created by: JackEatonK98