Chemical Reactions

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Across
  1. 3. A notation that uses chemical symbols and numbers to represent the type and number of atoms present in a substance
  2. 5. The process by which one or more substances change to produce one or more different substances
  3. 6. to prevent the loss of something
  4. 7. A substance produced during a chemical reaction
  5. 8. A substance that takes part in and undergoes change during a reaction
  6. 9. A number written below and to the right of a chemical symbol that shows the number of atoms present
Down
  1. 1. The mass of all reactants must equal the mass of all products. Matter is neither created nor destroyed.
  2. 2. Formed when two or more atoms join together chemically
  3. 3. Chemical formulas and symbols written to represent a reaction
  4. 4. the study of matter and its properties
  5. 6. A number placed in front of a chemical symbol or formula in order to balance the equation