Electrolysis 4.5 / 5 based on 3 ratings ? ScienceElectricityMetalsGCSEEdexcel Created by: kkatieetuckerrCreated on: 05-10-17 17:56 Ion A charged particle with different number of electons 1 of 32 Compound A substance made up of more than one element 2 of 32 Atom Has the same number of protons and electrons 3 of 32 Ionic Compound Two elements bonded by minusing and adding 4 of 32 Electrolysis Splitting up compounds using electricity 5 of 32 Electron A tiny particle with a negative charge 6 of 32 Oxidation Loss of electrons, gain of oxygen 7 of 32 Reduction Gain of electrons, loss of oxygen 8 of 32 Electrolyte A liquid which contains ions 9 of 32 Anion A negatively charged ion 10 of 32 Cation A positively charged ion 11 of 32 Anode Positive electrode 12 of 32 Cathode Negative electrode 13 of 32 Ore Enough metal to be profitable 14 of 32 Reactivity Series A list of metals in order of reactivity 15 of 32 Whats at the top of the reactivity series? Potassium 16 of 32 Whats at the bottom of the reactivity series? Gold 17 of 32 Displacement A more reactive element displaces a less reactive element 18 of 32 Redox A reaction where oxidation and reduction occur 19 of 32 Whats a common element used for extraction? Carbon 20 of 32 Life Cycle Assesment Working out the environmental impact of a product 21 of 32 Phytoextraction Involves growing plants that absorb metal compounds 22 of 32 Bioleaching Uses bacteria grown on a low grade ore 23 of 32 Leachate Bacteria produced solution containing copper ions 24 of 32 How do we get the reaction between carbon and a less reactive metal ore to start? Heat it 25 of 32 Reversible reaction? A forward and backward reaction 26 of 32 Dynamic Equilibrium When the reaction in both directions become the same 27 of 32 Closed Systems Substances cannot enter or leave an observed enviroment 28 of 32 Open Systems A system where substances can enter and leave 29 of 32 Endothermic A reaction where energy from the surroundings is transferred to the product 30 of 32 Exothermic A reaction where energy is transferred to the surroundings from the reactants 31 of 32 Haber Process Involves a reversible reaction between nitrogen and hydrogen that can reach a dynamic equilibrium 32 of 32
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