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Chemistry Chapt. 7

Chemical Formulas and Chemical Compounds

QuestionAnswer
monatomic ion an ion formed from 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 positive 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 an atom expressed by the number of electrons that the atom 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 in terms of the relative numbers and kinds of atoms in the simplest ratio
Created by: Jensen20
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