10 Redox reaction 2.0 / 5 based on 1 rating ? ChemistryRedoxASAQA Created by: NaanaCreated on: 27-02-15 11:43 Define oxidation A reaction where an atom or group of atoms lose electrons 1 of 7 What is an oxidising agent? A species which accepts electrons. It removes electrons from another species 2 of 7 Define oxidation state (aka oxidation number) The number of electrons lost or gained by an atom in a compound compared to the uncombined atom 3 of 7 Define reduction A reaction in which an atom or group of atoms gain electrons 4 of 7 What is a reducing agent? A species which donates electrons. It adds electrons to another species 5 of 7 What is a redox reaction? A reaction in which electrons are transferred from one species to another 6 of 7 What is disproportionation? A redox reaction where there is simultaneous oxidation and reduction of the same species 7 of 7
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