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Chemical reactions vocab

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Term
Definition
Molecule   Two or more atoms combined to form a compound or element.  
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Element   Two or more of the same type of atom bonded together.  
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Open System   A system where matter can be lost or gained.  
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Chemical Bond   The way in which two or more atoms combine to form a molecule.  
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Chemical Reactions   The way in which two or more elements/compounds react to each other.  
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Closed System   A system where matter can not be lost of gained.  
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Chemical Formula   A line of writing that displays the types of atoms inside of a substance.  
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Reactant   The atoms or substances that react with each other during a chemical reaction.  
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Law of Conservation of Mass   A law stating that matter can not be created or destroyed.  
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Compound   A molecule made up of two or more different types of atoms.  
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Product   The substance you end up with after a chemical reaction.  
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