Year 9 Chemistry

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Across
  1. 6. Name of the reaction where a more reactive metal takes the place of a less reactive metal in a compound
  2. 10. one of the products of a reaction between an acid and an alkali, with water
  3. 11. Positively charged particle in the nucleus of an atom
  4. 12. One of the substances present at the start of a reaction
  5. 14. Has a pH above 7 and tastes bitter
  6. 15. A reaction that releases heat to the surrounding
  7. 16. A measure of how much of a substance there is
  8. 18. What we call oxygen when it binds to a non-oxygen element
  9. 19. The process in which particles spread out through a liquid or gas
Down
  1. 1. A substance that increases the rate of a reaction
  2. 2. Atomic number 1, released when a metal reacts with an acid
  3. 3. The interaction of 2 or more substances to create a new substance
  4. 4. Indicator that changes colour based on what pH a substance is
  5. 5. The name of the reaction that occurs when something burns
  6. 7. Name of the reaction between an acid and an alkali
  7. 8. Formed when a metal or alkali reacts with Sulphuric acid
  8. 9. A metal that will not react with acids or water
  9. 13. What everything is made of
  10. 14. Has a pH below 7 and tastes sour
  11. 17. Where electrons reside