Atoms and Alloys 0.0 / 5 ? ChemistryMetals, metal ores and alloysGCSEAQA Created by: eddieleeCreated on: 18-05-16 21:20 How are metal atoms arranged? in giant structures with rows and layers 1 of 12 Why can metal bend? the layers can slide over eachother 2 of 12 Why do metals conduct electricity? some of their outer electrons move freely through layers 3 of 12 How do you make metals harder? they can be mixed to form alloys 4 of 12 Alloys mixtures of metals 5 of 12 Steel an alloy of carbon and 6 of 12 Brass an alloy of copper and zinc 7 of 12 Stainless Steel 70 iron, 20 chromium, 10 nickel 8 of 12 Copper is purified how? by electrolysis 9 of 12 Bioleaching is what? bacteria converting insoluble copper to soluble 10 of 12 Oxidation Reaction occurs when oxygen is added to a substance 11 of 12 Reduction when oxygen is removed from a substance 12 of 12
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