Chemistry Revison

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Across
  1. 2. the name for group 17 elements
  2. 5. the name for group 18 elements
  3. 7. decreasing this slows down a reaction
  4. 10. the name of Isaac's older brother
  5. 11. adding this to a reaction will increase the rate
  6. 13. when tasting an acid, it should taste ________
  7. 15. an element that has 18 electrons
  8. 16. the name of Mr Sahely's dog
Down
  1. 1. the reactivity of metals ______ down a group
  2. 3. increasing this speeds up the rate of a reaction
  3. 4. the street to the south of the college
  4. 5. a substance that turns universal indicator green
  5. 6. the name for group 1 metals
  6. 8. a substance with a pH >7
  7. 9. the name for the horizontal row on the Periodic Table
  8. 11. an element that has 6 protons and 6 neutrons
  9. 12. a group 1 metal in the third period
  10. 14. the name of the vertical columns on the Periodic Table