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18 Cards in this Set

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acid
compound that begins with the H+ ion
anion
negative ion
atom
smallest particle of an element that retains the properties of that element
binary compound
a compound that contains 2 and only 2 elements
cation
positive ion
chemical formula
a shorthand representation for a molecule for a formula unit
chemical symbol
a shorthand representation of an element
compound
pure substance composed of 2 or more elements combned chemically in definite proportions
ductile
able to be stretched into wire
element
pure substance that cannot be broken down into simpler substances by chemical or physical changes
element
pure substance that cannot be broken down into simpler substances by chemical or physical changes
formula unit
lowest whole-number ratio of ions in an ionic compound
ion
a changed atom or group of atoms
malleable
able to be pounded into thing sheets
metalloid
nonmetal
molecular formula
a formula for a compound as it exists in nature
molecule
a neutral group of atoms that are combined chemically and act as a unit
polyatomic ion
a chagred group of covalently charged atoms that bega