H20 Vocabulary

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Across
  1. 2. waters chemical formula
  2. 3. the connection between atoms that forms molecules
  3. 5. represents the chemical reaction with symbols
  4. 6. basic unit of a chemical element
Down
  1. 1. the process that involves rearranging the molecular structure
  2. 4. any substance that can not be broken down any more by an ordinarychemical process