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10 cards from this deck
Loss of electrons
Gain of electrons
Oxidation Is Loss, Reduction Is Gain (electrons)
Oxidation & reduction always occur together
Causes oxidation of another substance, is itself reduced
Causes reduction of another, is itself oxidised
Oxidation & reduction separately with electrons (e−e^-e−)
Zero
+1+1+1 (except in metal hydrides like NaH where it's −1-1−1)
−2-2−2 (except in F2O\text{F}_2\text{O}F2O & peroxides)
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