C1 Keywords.

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  • Created by: Curlot
  • Created on: 25-05-14 09:26
Atoms
The smallest part of an element that can enter into a chemical reaction
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Nucleus
The small centre core of an atom.
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Protons
A positively charged subatomic particle found in the nucleus
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Neutrons
An uncharged subatomic particle found in the nucleus
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Electrons
A negatively charged subatomic particle that orbits the nucleus
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Element
A substance that contains only one type of atom.
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Atomic Number
The number of protons in a atom
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Mass Number
The total number of protons and neutrons in an atom
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Compound
A substance consisting of two or more elememts chemically combined together
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Reactant
A substance present BEFORE a chemical reaction takes place.
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Product
A substance made at the END of a chemical reaction.
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Sedimentary Rock
Rock formed by the accumulation of sediment
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Decomposition
Breaking down
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Thermal decomposition
The breakdown of a chemical substance due to action of heat.
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Mineral
A naturally occurring chemical eleemnt or compound found in rocks.
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Ore
A natuarally occurring mineral from which it is economically viable to extract.
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Smelting
A method of extracting a metal from it's ore by heating the ore in a furnace.
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Electrolysis
The process by which an electric current causes a solution to undergo chemical decomposition.
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Phytomining
An extraction method that uses plants to extract copper.
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Bioleaching
An extraction method that uses bacteria to extract metals from low-grade ores.
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Alloy
Amixture of two or more metals , or a mixture of one metal and a non-metal.
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Conductor
A substance that readily transfers heat or energy.
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Crude Oil
A liquid mixure found in rocks that contains hydrocarbons
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Mixture
Two or more elements that are not chemically bonded.
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Distillation
A process of seperating a liquid mixture by boiling and condensing
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Hydrocarbon
A conpound containing only hydrogen and carbon.
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Fractional Distillation
The process used to seperate crude oil into groups of hydrocarbons whose molecules have a similar number of carbon atoms.
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Biofuel
A fuel produced from plant material
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Saturated (Hydrocarbons)
A hydrocarbon with no double bonds.
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Alkane
A saturated hydrocarbon with the general fromula CnH2n+2
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Fuel
A substance that releases energy when combined with oxygen.
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Cracking
The process used to break down long-chain hydrocarbons into more useful short-chain hydrocarbons, using high temps and a catalyst.
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Catalyst
A substance that inreaces the rate of reaction without being changed or used up.
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Alkenes
An unsaturated hydrocarbon with the general formula CnH2n
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Unsaturated
A term used to identify that alkenes have a C=C bond
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Fermentation
The process by which yeast converts sugars to alcohol and carbon dioxide through anaeorbic respiration.
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Polymer
A gaint, long-chained hydrocarbon
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Polymerisation
The prcess of monomers joining together to form a polmer
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Biodegradable
A substance that will decompose naturally
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Pollution
The contamination of an environemnt by chemicals, waste or heat
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Global Warming
The increase in the average temperature on Earth due to a rise in the levels of Greenhouse gases in the atmosphere
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Hydrogenation
The process in which hydrogen is used to hrden vegetable oils.
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Emulsion
A mixture of oil and water
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Emulsifier
A substance that helps to stabilise an emulsion
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Hydrophilic
Water-loving molecule
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Hydrophobic
Water-hating molecule
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Fossil
The remains of animals/ plants preserved in rock
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Tectonic
Huge sections of the Earth's crust that move in relation to one another
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Fossil Fuel
Fuel formedin the gorund over millions of years from the remains of dead plants and animals
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Theory
The best way to explain why something is happening. It can be changed when new evidence is found.
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Card 2

Front

The small centre core of an atom.

Back

Nucleus

Card 3

Front

A positively charged subatomic particle found in the nucleus

Back

Preview of the back of card 3

Card 4

Front

An uncharged subatomic particle found in the nucleus

Back

Preview of the back of card 4

Card 5

Front

A negatively charged subatomic particle that orbits the nucleus

Back

Preview of the back of card 5
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Comments

Georginawray

on the card about mineral you have spelt element wrong you have wrote eleemnt

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