Vocab

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Across
  1. 1. replacement,a chemical reaction which the negative ions in two compounds switch place forming two new compounds
  2. 4. reaction,a process in which atoms of one or more substances rearrange to form into new substances
  3. 7. a chemical reaction that releases thermal energy
  4. 9. a substance that slows or even stopa a chemical reaction
  5. 10. a chemical reaction in which a substance combines with oxygen and releases speicies
  6. 11. replacement, a type of chemical reaction in which one element replaces another element in a compound
  7. 12. a type of chemical reaction in which two or more substances combine and form one compound
Down
  1. 2. a chemical reaction that aborbes thermal energy
  2. 3. equation, a description of a reaction using element symbols and chemical formulus
  3. 5. of conservation of mass, law that states that the total mass of the reactants before a chemical reaction is the same as the total mass of the products after a chemical reaction.
  4. 6. a type of chemical reaction in which one compound breaks down and forms two or more substances
  5. 8. energy, the minimum amount of energy required to start a chemical reaction in which the negative ions in two compounds switch place forming two new compounds
  6. 10. a substance that increases the rate by lowering the activation energy of reaction