Chemistry Crossword Puzzle

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Across
  1. 3. Regular arrangement of alternating positive and negative ion
  2. 8. Substance formed when metal reacts with water
  3. 12. Reaction between an acid and a base that produces salt and water
  4. 13. The physical change from a solid to liquid
  5. 14. Elements are made up of atoms, which contain protons, neutrons, and electrons
  6. 16. Suspension in which particles are permanently suspended
  7. 17. Where a liquid turns into a gas at a temperature below its boiling point; this takes place at the surface of a liquid.
  8. 18. Suspension of 2 liquids
  9. 19. Increases the rate of a reaction and is unchanged at the end of the reaction.
  10. 21. The process in which particles mix by colliding randomly with each other and bouncing off all directions
  11. 22. Use of chemicals to make particles in a suspeninsion clump together
  12. 25. Measured by thermometer
  13. 27. Substance that metal reacts to release hydrogen
  14. 28. A charged atom or a group of ion formed by the loss or gain of one or more electron
  15. 29. A measure of change that happens in a single unit of time
  16. 30. A particle with a charge of 1+ and a mass of one unit, found in the nucleus of an atom
Down
  1. 1. Neither acid or base
  2. 2. Another word for mixing
  3. 4. A substance which two or more elements are chemically combined
  4. 5. Material that blocks out light
  5. 6. Seperation of particles in a suspension by passing it through paper or other substances
  6. 7. Contains two or more substances that is not chemically combined
  7. 9. Ions that are ngeative, they go to anode
  8. 10. A unit of two or more atoms held together by covalent bonds.
  9. 11. Ions that are positive,they go to the cathode
  10. 15. A particle with no charge and a mass of 1 unit, found in the nucleus of an atom
  11. 16. Strong solution
  12. 20. Weak Solution
  13. 23. Substance that changes color in acid or bases
  14. 24. curve A graph showing how the temperature of a substance changes on heating, or if it changes state (from solid to liquid to gas).
  15. 26. A particle with a charge of 1+ and a mass of one unit, found in the nucleus of an atom.