10 terms

chapter 7 vocab

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monoatomic ion
an ion formed form a single atom
binary compound
a compound composed of two different elements
nomenclature
a naming system
oxyanion
a polyatomic ion that contains oxygen
salt
an ionic compound that forms when a metal atom or a postive radical replaces the hydrogen of an acid
oxidation number
the number of electrons that must be added to or removed from an atom in a combined state to convert the atom into the elemental form
oxidation state
the condition of a n atom expressed by the number of electrons that the atoms needs to reach its elemental form
formula mass
the sum of the average atomic masses of all atoms represented in the formula of any molecule, formula unit, or ion
percentage composition
the percentage by mass of each element in a compound
empirical formula
a chemical formula that shows the composition of a compond in terms of the relative numbers and kinds of atomsin the simplest ratio