Alkanes and organic chemistry key terms 0.0 / 5 ? Chemistryalkanes and organic chemistryASAQA Created by: Elsie_Created on: 20-11-13 09:28 Define empirical formula The simpilist ratio of atoms in a molecule 1 of 11 Define molecular formula The actual ratio of atoms in a molecule 2 of 11 Define structural formula The atoms of a molecule written carbon by carbon with the attached hydrogens and functional groups of each one shown. 3 of 11 Define displayed formula a structual drawing of the molecule showing how the atoms are arranged. 4 of 11 Define homologous series Organic compounds with the same general formula and similar chemical properties. 5 of 11 Define functional groups The reactive part of a molecule (eg. -OH alcohol) 6 of 11 Define a chain isomer A molecule with the same molecular formula but different carbon skeleton 7 of 11 Define a positional isomer A molecule with the same carbon skeleton but the functional group or halogen is in a different place on the molecule. 8 of 11 Define a functional group isomer A molecule with the same atoms but arranged into different functional groups. 9 of 11 Define alkane a straight chain hydrocarbon with single carbon-carbon bonds only. 10 of 11 Define alkene A hydrocarbon that contains one or more double carbon=carbon bonds 11 of 11
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