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chemistry
definitions
Term | Definition |
---|---|
chemical formula | a shorthand way to use chemical symbols an numbers to represent a substance |
chemical equation | uses symbols to show to the relationship between the reactants and the products |
subscript | the small number to the right of the element that shows how many atoms are in the element |
coefficient | the large number that multiples that atoms of the element |
reactant | a substance or molecule that starts a chemical reaction |
product | the substance that forms as a result of a chemical reaction |
chemical reaction | when atoms of elements break apart and rearrange to become new substances |
synthesis | when 2 or more substances combine to create one new compound |
decomposition reaction | a reaction where a single compound breaks down to form 2 simpler substances |
single displacement | one element replaces another element in a compound leaving a new compound a new compound and 1 element |
double displacement reaction | the 2 metals ion in 2 compounds switch places in a chemical reactions |
law of conversation of mass | states that mass is neither creator nor destroyer in a chemical reaction |