Chemistry Unit 2

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Across
  1. 2. the number of particles destroyed during a change of state
  2. 5. the force created by the collision of particles with other materials
  3. 9. temperature at which boiling starts to occur
  4. 13. a force that brings particles together
  5. 15. has a definite shape and volume
  6. 16. temperature at which melting starts to occur
  7. 17. smallest particle of matter
  8. 22. this is what particles do when they lose kinetic energy
  9. 24. when a gas becomes a liquid
  10. 25. the change from a solid to a liquid
Down
  1. 1. when freezing occurs particle motion does this
  2. 3. energy-total kinetic energy of particles in a substance
  3. 4. when evaporation occurs, particles get...
  4. 6. average kinetic energy of particles in a substance
  5. 7. energy of motion
  6. 8. the change from a liquid to a solid
  7. 9. evaportation that happens at a specific temperature and throughout the liquid
  8. 10. when melting occurs particle motion does this
  9. 11. the amount of space an object takes up
  10. 12. has neither a definite volume or shape
  11. 14. the temperature at which a liquid starts to freeze
  12. 18. when condensation occurs, particles get...
  13. 19. describes the motion of particles in solid
  14. 20. two or more atoms bonded together
  15. 21. the change that happens when the surface of a liquid becomes gas
  16. 23. describes the pattern of movement in a gas
  17. 26. has a definite volume but not shape