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Physical Science
Chapter 14 vocab
word | definition |
---|---|
chemical reaction | the process by which one or more substances change to produce one or more different substances |
precipitate | solid that is produced as a result of a chemical reaction in solution |
chemical formula | a combination of chemical symbols and numbers to represent a substance |
chemical equation | a representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products |
reactant | a substance or molecule that participates in a chemical reaction |
product | a substance that forms in a chemical reaction |
law of conversation of mass | the law that states that mass cannot be created or destroyed in ordinary chemical and physical changes |
synthesis reaction | reaction in which two or more substances combine to form a new compound |
decomposition reaction | a reaction in which a single compound breaks down to form two or more simpler substances |
single-displacement reaction | a reaction in which one element or radical takes the place of another element or radical in a compound |
double-displacement reaction | a reaction in which a gas, a solid precipitate, or a molecular compound forms from the apparent exchange of atoms or ions between two compounds |