Compound made up of carbon and hydrogen atoms only
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Saturated
Contain single carbon-carbon bonds only
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Unsaturated
Contains double carbon-carbon bond
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Molecular formula
The formula which shows the actual number of each type of atom in a molecule
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Empirical formula
Show the simplest whole ration number of atoms of each element in a compound
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General formula
This is the algebraic formula for a homologous series
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Displayed formula
This shows every atom and every bond in a molecule
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Homologous series
Families of organic compounds with the same general formula, same functional group and similar chemical properties.Compounds differ in the length of their hydrocarbon chains
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Functional group
An atom or group of atoms in an organic molecule which when present in different molecules cause the molecules to have similar chemical properties
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Structural isomers
Compounds with same molecular formula but different structural formulae
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Chain isomers
Compounds with same molecular formula but different arrangement of the hydrocarbon chain (e.g branching)
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Positional isomers
Compounds with the same molecular formula but the position that the functional group is attached to the carbon skeleton is different
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Functional group isomers
Compounds with the same molecular formula but with atoms arranged differently to give different functional groups
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General formula of alkane, alkene, alcohol and haloalkane
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