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Chemistry Unit 4

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
Redox   The transfer of electrons  
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Fixed oxidation states   Some elements nearly always have the same oxidation state in their compounds.  
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Displacement reactions   A type of reaction where part of one reactant is replaced by another reactant.  
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Oxidation   The gain of oxygen.  
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Oxidation state (for number)   The loss of electrons.  
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Oxidation states in compound ions   The total oxidation state adds up to the charge.  
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Oxidising agents   accepts electrons from another reactant and is itself reduced.  
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Reducing agents   donates electrons to another reactant and is itself oxidised.  
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Reduction   The loss of oxygen.  
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Simples ions   The charge on ion. Ions in compounds where the other half is not given.  
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Reduction state (for number)   The gain of electrons.  
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Oxidation state for Reduction   Decrease  
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Oxidation state for Oxidation   Increase  
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Redox reaction   A reaction in which oxidation and reduction both take place.  
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