iGCSE Chemistry Crossword

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Across
  1. 5. A mixture of two or more elements where at least one element is a metal
  2. 7. Covalent compounds which are giant covalent, eg diamond
  3. 8. A reaction that absorbs energy
  4. 11. A saturated hydrocarbon with only single bonds
  5. 12. How easily a substance combines chemically with another substance
  6. 14. Regular arrangement of particles
  7. 15. A chemical reaction that breaks down compounds into simpler products
  8. 19. A liquid capable of dissolving other substances
  9. 20. Technique to separate two liquids with differing boiling points
  10. 22. A solid that forms from a solution during a chemical reaction
Down
  1. 1. Joining many monomers to make a long repeating chain molecule
  2. 2. The amount of solute dissolved in a certain volume of solvent
  3. 3. The movement of water from a high water potential to low through a semipermeable membrane
  4. 4. An unsaturated hydrocarbon with one double bond and many single bonds
  5. 6. The chemical action of yeast on sugars to produce alcohol
  6. 9. The waste impurities that react with CaO in the blast furnace
  7. 10. Physical change from a solid to a gas
  8. 13. Any compound forming H+ ions in solution
  9. 16. A reaction that releases energy
  10. 17. A pattern that repeats at regular intervals
  11. 18. Atoms of the same element with the name number of protons but a different number of neutrons
  12. 21. A substance that can act as both an acid and a base