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AQA C1 CHEM (SVS)
Keywords for C1 Chemistry unit
Question | Answer |
---|---|
Alkane | contains single bonds (saturated) |
Alkene | contains double bonds (unsaturated) |
Alloys | a metal mixed with another element |
Atom | simplest unit of matter |
Atomic number | number of protons or electrons |
Biodiesel | biofuel made from vegetable oil |
Bioleaching | use of bacteria to extract metals from the ground |
Blast furnace | used to extract Iron from its ore |
Boiling point | temperature a liquid turns to a gas |
Bromine | used to detect double bonds in compounds (turns colourless) |
Calcium carbonate | chemical name for Limestone |
Calcium hydroxide | made when you react Calcium Oxide with water |
Calcium oxide | produced after thermal decomposition of Limestone |
Carbon dioxide | test for this gas using Limewater |
Carbon Monoxide | produced during incomplete combustion |
Catalyst | makes reactions happen faster |
Cement | made from powdered clay and powdered limestone |
Compound | contains two or more different atoms |
Convection currents | cause tectonic plate movements |
Core | the centre of the Earth |
Covalent bond | type of bond that involves electrons being shared |
Cracking | making a large hydrocarbon smaller (using heat & catalyst) |
Decomposition | break down into simpler molecules |
Distillation | separating compounds according to boiling point |
Electrolysis | using electricity to extract elements more reactive than C |
Electron | orbits a nucleus, has a negative charge |
Emulsifier | forces oil and water to mix |
Fermentation | converting sugar into alcohol using yeast |
Global Dimming | caused by particulates in the atmosphere |
Hardening | add Hydrogen to make more saturated |
Hydration | add water |
Hydrocarbon | contains Hydrogen and Carbon |
Hydrogenation | add Hydrogen |
Hydrophilic | water-loving |
Hydrophobic | water-hating |
Ionic bond | when electrons are lost or gained |
Ions | atom that has gained a charge |
Monomer | joins with others to make a polymer |
Neutron | particle with no charge |
Ore | rock that contains metal worth extracting |
Oxidised | Oxygen is added |
Phytomining | using plants to extract metal from the ground |
Polymer | made from many monomer units |
Proton | particle with a positive charge |
Radioactive Decay | provides the heat to cause convection in the mantle |
Reduction | remove Oxygen |
Sulfur Dioxide | reacts with water to form Acid Rain |
Theory | an idea based on evidence |
Viscosity | a measure of how easily a substance flows |
Volatility | how readily it turns into a gas |