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AP Chem Chapter 2.4
Chemical Nomenclature
26
Chemistry
11th Grade
02/18/2011

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Term
alcohol
Definition
a class of organic compounds with the general structure R-OH, where R is a carbon-containing group
Term
alkane
Definition
a saturated hydrocarbon with the general formula CnH2n + 2
Term
alkene
Definition
an unsaturated hydrocarbon that contains a carbon-carbon double bond and has the general formula CnH2n
Term
alkyne
Definition
an unsaturated hydrocarbon that contains a carbon-carbon triple bond and has the general formula CnH2n - 2
Term
anion
Definition
a negatively charged ion
Term
Arrhenius acid
Definition
a substance that increases the concentration of hydrogen ions when dissolved in water
Term
atom
Definition
the smallest unit of an element; atoms consist of protons, neutrons, and electrons
Term
atomic symbol
Definition
the one or two letter abbreviation for an element
Term
cation
Definition
a positively charged ion
Term
chemical formula
Definition
a representation of the composition of a chemical compound; See empirical formula; molecular formula
Term
compound
Definition
a substance made up of two or more elements in specific proportions
Term
covalent network solid
Definition
a solid in which the units of a three-dimensional crystal are held together entirely by covalent bonds; extended network solid
Term
element
Definition
a substance that cannot be separated by chemical means into simpler substances
Term
empirical formula
Definition
the chemical formula of a compound written with the smallest integer ratio of subscripts
Term
group
Definition
a column on the periodic table; family
Term
hydrocarbon
Definition
a molecule made up entirely of hydrogen and carbon atoms
Term
ion
Definition
an atom or group of atoms with a net positive or negative charge
Term
ionic compound
Definition
a compound composed of anions and cations
Term
isomers
Definition
compounds with the same molecular formula but with different atomic structures
Term
metal
Definition
an element which is ductile, malleable, and conductive, and tends to give up electrons
Term
molecular formula
Definition
the chemical formula that reflects the exact atomic composition of a molecule
Term
molecule
Definition
a well-defined group of covalently-bonded atoms
Term
organic chemistry
Definition
the chemistry of carbon-containing molecules
Term
oxoacid
Definition
an acid that contains oxygen; oxyacid
Term
polyatomic ion
Definition
an ion that consists of two or more atoms chemically bonded together
Term
transition metal
Definition
an element from groups 3(IIIB) through 12(IIB) and periods 4 through 7 of the periodic table, characterized by having valence electrons in d orbitals; the d block
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