Paper 3 & 4 Crossword 2

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Across
  1. 2. - Rate of doing work (5)
  2. 6. - Resistance when surfaces move against each other (8)
  3. 7. - Substance dissolved in a solvent (6)
  4. 11. - Opposition to current (10)
  5. 12. - Flow of electric charge (7)
  6. 14. - Unit of force (6)
  7. 16. - Positive electrode in electrolysis (5)
  8. 19. - Substance that dissolves a solute (7)
  9. 21. - Negative electrode in electrolysis (6)
  10. 22. - Process of using electricity to cause a chemical change (12)
  11. 25. - Positively charged particle (6)
  12. 28. - Atom with same number of protons, different neutrons (7)
  13. 29. - Process of a liquid changing to a gas (10)
  14. 31. - Natural source of a metal (3)
  15. 32. - Transition from solid to gas without passing through liquid (11)
  16. 34. - Rate of change of velocity (12)
  17. 35. - Force applied over distance (4)
Down
  1. 1. - Electrical potential difference (7)
  2. 3. - Homogeneous mixture of solute and solvent (8)
  3. 4. - Unit of energy (5)
  4. 5. - Speed in a given direction (8)
  5. 7. - Product of an acid and base reaction (4)
  6. 8. - Push or pull on an object (5)
  7. 9. - Substance that speeds up a chemical reaction (8)
  8. 10. - Force of attraction between objects with mass (7)
  9. 13. - Reaction between an acid and a base to form water and a salt (14)
  10. 15. - Center of an atom (7)
  11. 17. - Reaction that releases heat (10)
  12. 18. - Neutral particle in an atom (7)
  13. 20. - Scale used to measure acidity or alkalinity (2)
  14. 22. - Negatively charged particle (8)
  15. 23. - State where the forward and reverse reactions occur at the same rate (11)
  16. 24. - Reaction that absorbs heat (10)
  17. 26. - Mixture of metals (5)
  18. 27. - Process of a gas changing to a liquid (12)
  19. 30. - Mass in motion (8)
  20. 33. - Number of particles in a mole (8)