Unit 9 Cross Word Puzzle : Lolah Slagg

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Across
  1. 1. the amount of space occupied by a sample of matter.
  2. 4. the value does not change provided you stick to the units provided.
  3. 5. The substances which participate in a chemical reaction
  4. 10. a physical quantity that quantitatively expresses the attribute of hotness or coldness
  5. 13. a substance that speeds up a chemical reaction, or lowers the temperature or pressure needed to start one.
  6. 14. any substance that has a defined composition.
  7. 17. a state in which the rate of the forward reaction equals the rate of the backward reaction.
  8. 18. Chemical reactions that gain energy
  9. 19. refers to the amount of a substance in a defined space.
  10. 20. A theory states that for a chemical reaction to occur, the reacting particles must collide with one another.
Down
  1. 2. Chemical reactions that release energy
  2. 3. The amount of force on an object/thing (per unit area)
  3. 6. a solution in which the solvent is water
  4. 7. a mixture with a non-uniform composition
  5. 8. things formed from chemical reactions (reactants reacting)
  6. 9. a principle of chemistry used to predict the effect of a change in conditions on chemical equilibrium.
  7. 11. a process in which one or more substances, also called reactants, are converted to one or more different substances, known as products
  8. 12. a substance that is in a gaseous, or vaporous, state of matter
  9. 15. a group of atoms bonded together (smallest unit)
  10. 16. The study of chemical reaction rates