AS2 Definitions 0.0 / 5 ? ChemistryDefinitionsFunctional GroupsASCCEA Created by: jbradley636Created on: 02-03-16 21:25 Empirical formula A formula which shows the simplest whole number ratio of atoms of each element in a compound. 1 of 6 Molecular Formula A formula which shows the actual number of atoms of each element in a molecule. 2 of 6 Molar gas volume The volume of one mole of gas under specified conditions of temperature and pressure e.g. 24dm³ at 20°C and one atmosphere pressure. 3 of 6 Homologous series Compounds which have the same general formula, similar chemical properties and successive members differ by CH2. 4 of 6 Functional group The part of a structure which determines the characteristic reactions of the compound. 5 of 6 Structural isomers Molecules which have the same molecular formula but a different structural formula. 6 of 6
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