9-12.P.1.4

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Across
  1. 1. new substances formed as a result of a chemical reaction
  2. 6. in a chemical reaction, the substance you start with before the reaction
  3. 8. a chemical reaction in which one element replaces another element in a compound
Down
  1. 2. a chemical reaction in which a substance breaks down into two or more simpler substances
  2. 3. matter that is a combination of atoms of two or more elements
  3. 4. a chemical reaction in which the positive ions in two or more substances trade places
  4. 5. a chemical reaction in which two or more substances combine to forrm a different substance
  5. 7. an amount of a substance that contains approximately 6.02 X 10^23 particles of the substance
  6. 9. rapid oxidation, or burning
  7. 10. a neutral group of atoms that are joined together by one or more covalent bonds