| A | B |
|---|
| covalent compound | substance composed of molecules that have bonds containing shared electrons |
| ionic compound | substance composed of metal and nonmetal ions, where electrons are 'stolen' by the nonmetal |
| ion | negatively or postively charged atom or group of atoms |
| chemical formula | an arrangement of symbols and numbers that describes a compound |
| chemical reaction | a process that changes a substance into a new substance |
| product | substance formed (produced) during a chemical reaction |
| chemical equation | an arrangement of symbols, formulas, and numbers used to describe a chemical reaction |
| acid | a compound that releases hydrogen ions in water |
| base | a compound that releases hydroxide ions in water |
| litmus | a substance used to detect the presence of an acid or a base |
| pH scale | numbers from 0 to 14 used to indicate the strengths of acids and bases |
| indicator | a substance that changes color at a certain range of pH values |
| salt | an ionic compound containing metal and nonmental ions; one of the products of a neutralization reaction |
| neutralization reaction | a chemical reaction between an acid and a base, producing a salt and water |
