Key terms used throughout K4 chemistry.
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atom |
An atom is the smallest part of a substance.
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molecule |
A molecule is a group of atoms joined together.
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compound |
If two or more different elements are chemically bonded then this is called a compound.
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element |
An element is made up of one type of atom.
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ion |
An ion is a charged atom.
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intermolecular |
The forces of attraction between molecules are called intermolecular forces.
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rate |
The rate of reaction is the amount of reactant used or the amount of product formed in a given time.
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covalent |
Covalent compounds form between non metals.
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displacement |
When a reactive element pushes out a less reactive one, this is called displacement.
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precipitate |
A precipitate is a solid formed from a reaction.
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endothermic |
An endothermic reaction takes in heat from the surroundings.
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exothermic |
A reaction which releases heat to the surroundings is called an exothermic reaction.
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concentration |
You need good concentration to win.
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aqueous |
In an aqueous solution, water is the solvent.
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