Chemistry Revision

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Across
  1. 4. A word meaning 'sounds like a bell when struck'
  2. 8. A method for separating chalk from water
  3. 9. A method for separating soluble dyes from a mixture
  4. 12. Type of particle found in the 'shells' of atoms
  5. 14. Element with the symbol 'C'
  6. 15. Element with the symbol 'Au'
  7. 16. A type of condensor used during distillation
  8. 17. Element with the symbol 'Cl'
  9. 18. A material with a pH higher than 7
  10. 19. A word meaning 'can be drawn into a wire'
Down
  1. 1. Element with the symbol 'H'
  2. 2. A type of burner used in the laboratory to heat things
  3. 3. A material with a pH equal to 7
  4. 5. Two or more elements chemically bonded together
  5. 6. A method to obtain pure water from salt water
  6. 7. Element with the symbol 'O'
  7. 10. For new chemical bonds to be made a chemical _______ must take place
  8. 11. Magensium, iron and sodium are examples of this type of element
  9. 13. The atomic number of an element is the number of these particles found in the nucleus of one atom of an element
  10. 17. Element with the symbol 'Ca'
  11. 18. A material with a pH lower than 7