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Vocab. chem reacts.
Vocabulary Words for chemical reactions
Term | Definition |
---|---|
Chemical reations | - When atoms of elements break apart ad rearrange to become new substances. |
Synthesis Reaction | - When two or more substances combine to create a new compound |
Decomposition Reaction | - A reaction where a single compound breaks down to form 2 simpler substances |
Single displacement Reaction | one element replaces another element in compound leaving a new compound and 1 element |
Double displacement reaction | - The 2 metal ions in 2 compounds switch places in a chemical reactions |
Law of conservation of mass | - States that mass is neither created nor destroyed in a chemical reation |
Chemical Formula | - a shorthand way to use chemical symbols and numbers to represent a substance (h2o) |
Chemical Equation | - Uses symbols to show the relationship between the reactants and the products C=O2-> CO2 |
Subuscript | - Small number to the right of the element that shows how many atoms there are of the element |
Coefficient | - the large number that multiplies atoms of the element |
Reactant | - A substance or molecules that starts a chemical reaction |
Product | - The substance that forms as a result of a chemical reaction |