Chemistry

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Across
  1. 2. Substance made up of two or more elements chemically bonded together
  2. 5. Process in which substances are transformed into different substances
  3. 6. Substance that increases the rate of a chemical reaction
  4. 8. Substance made up of one type of atom
  5. 9. Force that holds atoms together in a compound
  6. 10. Smallest unit of a chemical compound
Down
  1. 1. Basic unit of a chemical element
  2. 3. Tabular arrangement of chemical elements
  3. 4. Substance with a pH greater than 7
  4. 7. Substance with a pH less than 7