Metals 0.0 / 5 ? ChemistryRedoxRocks, ores, metals and alloysNational 5SQA Created by: Amara2Created on: 17-03-19 14:30 Ores Rocks from which metals can be obtained 1 of 12 Smelting Reducing a metal ore by heating with carbon 2 of 12 Heavy Metals Elements such as cadmium and mercury, which are toxic to living things 3 of 12 Reduction Gain of elements 4 of 12 Electrolysis Breaking down an ionic compound by passing a d.c. current through it 5 of 12 Direct Current (d.c.) Gives a positive and negative electrode so products of electrolysis can be identified 6 of 12 Delocalised electrodes Electrons which can move easily from one atom to another atom 7 of 12 Oxidation Loss of electrons 8 of 12 Redox equation Reduction and oxidation ion-electron equations added together 9 of 12 Redox reaction Reaction in which loss and gain of electrons takes place 10 of 12 Ion bridge An electrolyte which allows ions to flow between the two solutions in an electrochemical cell 11 of 12 Electrolyte An ionic solution which conducts electricity 12 of 12
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