B3 -Organic definitions
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define hydrocarbon
compound containing carbon and hydrogen only
define saturated
has single bonds only
define unsaturated
contains carbon to carbon multiple bonds
define homologous series
family of compounds with similar chemical properties
define functional groups
atom or group of atoms that is largely responsible for the molecules chemical properties
define aliphatic
carbon atoms are joined to each other in unbranched or branched chains or non-aromatic rings
define alicyclic (cyclic)
carbon atoms are joined to each other in ring (cyclic) structures, with or without branches
define aromatic
some or all of the carbon atoms are found in a benzene ring
define alkanes
containing single carbon to carbon bonds
define alkenes
containing at least one double carbon to carbon bond
define alkynes
containing at least one triple carbon to carbon bond
define molecular
shows the number and type of atoms of each element present in a molecule
define empirical
simplest whole number ratio of the atoms of each element present in a compound
define general
the simplest algebraic formula for any member of a homologous series
define displayed
shows the relative positioning of all the atoms in a molecule and the bonds between them
define structural
uses the smallest amount of detail necessary to show the arrangement of the atoms in a molecule
define skeletal
is a simplified organic formula
When writing a skeletal formula remove:
all carbon and hydrogen labels from carbon chains any bonds to hydrogen atoms
In a skeletal formula, what does a line represent?
a single bond
In a skeletal formula, what does an intersection of two lines represent?
a carbon atom
In a skeletal formula, what does the end of a line represent?
a -CH3 group
Define the term structural isomer.
molecules with the same molecular formula but different structural formulas
Define the term free radical
species with unpaired electron
Define the term stereoisomers
have the same structural formula with different arrangements in space