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Project

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
        Help!  

Question
Answer
Law of Conversation of Mass   States that energy cannot be created or destroyed; only can change form  
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Physical Change   Occurs when one or more physical properties of a substance are changes  
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Chemical Change   Occurs when one or more substances with different properties  
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Element   Made up of one kind of atom  
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Chemical Formula   A way to describing the number of atoms that make up one molecule of a compound  
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Element Molecule   Molecule of only one type of atom  
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Compound Molecule   Molecule that made with more than two types of atom.  
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Chemical Equation   A way of describing a chemical reaction  
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Chemical Reaction   Change that takes place when two or more substances interact to form new substances  
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Reactants   Compound or element that changes during a chemical reation  
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Product   Compound or element that is the result of a chemical reaction  
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Coefficient   The number that tells the number of molecule  
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Subscript   Number of a certain type of atom in one molecule.  
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