Matter Summary Crossword

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Across
  1. 2. Compound of hydrogen and oxygen
  2. 6. Gas essential for respiration
  3. 7. Reaction where a more reactive element replaces another
  4. 10. Property, can be drawn into wires
  5. 11. Substance made of two or more elements chemically bonded
  6. 13. Combination of substances not chemically bonded
  7. 15. Used to disinfect water
  8. 17. Mixture of metal and metal or metal and non metal
  9. 18. Excellent conductor for wiring
  10. 20. Property, shiny
Down
  1. 1. alkali metal + water -> metal ___?__ + hydrogen
  2. 3. Lightweight metal used in cans
  3. 4. Group 1 element that produces a purple flame
  4. 5. Most reactive halogen
  5. 8. Property, produces a ringing sound when hit
  6. 9. Elements that are brittle and poor conductor
  7. 12. Shiny element that conducts electricity
  8. 14. Group 7 elements, forms salts with metals
  9. 16. Least reactive halogen
  10. 17. Group 1 element, reacts vigorously with water
  11. 19. Used to make steel