Chapter 2 Vocabulary Review

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 3. A particle that is electrically charged (3)
  2. 4. A substance formed by chemical union of two or more elements or ingredients in definite proportion (8)
  3. 6. Of or relating to or characterized by ___ (8)
  4. 7. A substance that initiates or accelerates a chemical reaction without itself being affected (8)
  5. 12. An essential structural component of living cells and source of energy for animals (12)
  6. 13. The dialect of Ancient Greek spoken and written in Attica and Athens and ___ (5)
  7. 15. A homogeneous mixture of two or more substances (8)

Down

  1. 1. Occurring or formed with absorption of heat (11)
  2. 2. The ___ that is acted upon by an enzyme or ferment (9)
  3. 5. Any of several complex proteins that are produced by cells and act as catalysts in specific (6)
  4. 7. Substance used in or made by chemistry (8)
  5. 8. Occurring or formed with the liberation of heat (10)
  6. 9. A rotund individual (5)
  7. 10. Any of various water-soluble compounds having a sour taste and capable of turning litmus red (4)
  8. 11. A nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic (8)
  9. 14. An electrical force linking atoms (4)