| Term | Definition |
|---|
| Ore | A rock that contains a cource of metal |
| Compounds | Metals found is ores are usually found in __________ |
| Mineral | Any Solid in the Earth's crust |
| Oxides | The compounds that metals in ores are most often found in are __________ |
| Native Metals | Metals found in their pure form as the Metals themselves |
| Gold, Silver | Examples of Native Metals (2) |
| Native Metals | Gold and Silver are ______ _______ |
| Extraction | Removal of a metal from it's compound |
| Chemical, Electrical | Two methods of extraction |
| Displacement | When a more reactive element replaces a less reactive element in a compound |
| Reduction | Oxygen removed or Electrons gained |
| Electrolysis | Method of extracting reactive metals (Potassium, Sodium, Calcium, Magnesium, Aluminum) |
| Reduction | Method of extracting less-reactive metals (zinc, Iron, tin, lead) |
| Carbon | Element used in reduction |
| Blast Furnace | Iron is produced in a _______ ________ |
| iron oxide + carbon monoxide > iron + carbon dioxide | Word Equation of reduction reaction in iron |
| 2Fe2O3 + 3C 4Fe + 3CO2 | Equation of reduction reaction in iron |
| Iron ore (haematite) | A compound that contains iron |
| Iron oxide | Found in Iron Ore |
| Coke | Burns in air to produce heat, and reacts to form carbon monoxide |
| Carbon | Found in Coke |
| Carbon monoxide | Formed when Coke burns in the air to produce heat |
| Limestone | Helps to remove acidic impurities from the iron by reacting with them |
| Slag | Produced when Limestone reacts with the impurities in iron |
| Calcium Carbonate | Found in Limestone |
| Too soft | Problem with pure iron |
| Aranged in a regular way | Reason Pure iron is too soft |
| Alloy | When metals are added to another metal to change it's properties. |
| Carbon | Type of Steel that is cheap, strong but brittle |
| Nickel | Type of Steel that is resistent to stretching forces |
| Tungsten | Type of Steel that withstands lots of heat |
| Chronium-Nickel | Type of Steel that doesn't rust |
| Smart-Alloys | Metals that keep their shape |
| Transition metal | Metals in the middle of the periodic table |
| Smelting | Elec, The process of heating an ore to extract a metal |
| Electrolysis | Using a current to break down a substence made of ions into simple substances |
| Electrolyte | Substance broken down by electrolysis |
| Cathode | Negative electrode |
| Anode | Positive electrode |
| Al2O3 | Chemical Formulae of protective layer on Aluminium |
| Low Density, Oxide Layers | Unique properties of Aluminium and Titanium (2) |
| 2(Al2 O3) > 4Al + 3O2 | Equation showing alumina being decomposed through electrolysis |
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