Oxidation - Reduction Reactions
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Oxidation - reduction reactions | The chemical changes that occur when electrons are transferred between reactants, also called redox reactions
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Oxidation | Originally meant the combination of an element with oxygen to give oxides
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Reduction | The loss of oxygen from one compound
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Reducing Agent | The substance in a redox reaction that donates electrons
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Oxidizing Agent | The substance in a redox reaction that accepts electrons
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Oxidation Number | A positive or negative number assigned to an atom according to a set of arbitrary rules
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Half-Reaction | An equation showing either the reduction or the oxidation of a species in an oxidation-reduction reaction
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Spectator Ion | The ion that remains unchanged in charge
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Why must oxidation and reduction occur together? | Oxidation and reduction always occur together. If one substance gives away oxygen (oxidation), a second substance must be present to take on that oxygen (reduction).
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