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Voc chemical React
vocabulary words chemical reactions
Term | Definition |
---|---|
Chemical Reaction | When atoms of elements break apart and rearrange to become new substances |
Synthesis Reaction | When two 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 reaction | One element replaces another element in a compound leaving a new compound and 1 element |
Double-displacement reaction | The 2 metal ions on 2 compounds switch places in a chemical reaction |
Law of conservation of mass | States that mass is neither created or destroyed in a chemical reaction |
Chemical formula | a shorthand way to use chemical symbols and numbers to represent a substance |
Chemical equation | Uses symbols to show the relationship between the reactants and the products |
Subscript | (H2O)- 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 molecule that starts a chemical reaction |
Product | The substance that forms as a result of a chemical reaction |