Download this complete, and updated CCEA AS2 Chemistry definitons|GUARANTEED SUCCESS
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Course
CCEA
Institution
Oxford University (OX)
Empirical formula
A formula which shows the simplest whole number ratio of atoms of each element in a compound
Molecular formula
A formula which shows the actual number of atoms of each element in a molecule
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complete, and
updated CCEA
AS2 Chemistry
definitons
Empirical formula - answer A formula which
shows the simplest whole number ratio of
atoms of each element in a compound
Molecular formula - answer A formula which
shows the actual number of atoms of each
element in a molecule
Molar Gas Volume - answer The volume of
one mole of gas under specified conditions of
temperature and pressure e.g 293K and 1
atmosphere pressure
, Homologous series - answer compounds
which have the same general formula, similar
chemical properties, show a gradation in
physical properties and successive members
differ by a CH2 group
Functional group - answer Reactive group
within a compound
Structural isomers - answer Molecules which
have the same molecular formula but a
different structural formula
Geometric isomers - answer Molecules with
the same structural formula, but different
arrangement of atoms due to the presence of
one or more C=C bond
Saturated hydrocarbon - answer Contains no
C=C or C triple C bond.
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