Chapter 20 - Oxidation - Reduction Reactions Flashcards
oxidation-reduction reactions
each one cannot happen without the other( one substance is being oxidized while the other is being reduced)
redox reactions
another definition for oxidation-reduction reactions
oxidation
the partial loss of electrons or the gain of oxygen
reduction
the partial gain of electrons or the loss of oxygen
reducing agent
the substance that is losing electrons
oxidizing agent
the substance that is gaining electrons
oxidation number
is the positive or negative number assigned to an atom to indicate its degree of oxidation or reduction.
oxidation-number-change method
balancing a redox equation by comparing the increases and decreases in oxidation numbers
half - reaction
is the equation showing just the oxidation element and the equation showing reduction
half - reaction method
write and balance the oxidation and reduction half reactions and then combine them