Loss of electrons
Gain of electrons
Reduction and oxidation happen simultaneously
Accepts electrons and gets reduced
Donates electrons and gets oxidised
Oxidation State of an Element
Tells you the total number of electrons it has donated or accepted
What must be ensured when making full equations for redox reactions?
That the atoms and charges balance
Describe assigning oxidation states in a compound ion
In a compound ion, the most electronegative element has a negative oxidation state.
The other elements have more positive oxidation states