chemistry chapter 2

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Across
  1. 3. The number representing the number of molecules
  2. 7. Takes the shape of its container, molecules packed closely together
  3. 8. Anything that takes up space and has mass
  4. 10. The law of thermodynamics stating that the closer a tempurature reaches to absolute zero, the more entropy in a system becomes a constant
  5. 11. Makes up the periodic table
  6. 13. Thermal Energy
  7. 14. The law of thermodynamics stating that heat will always flow from a warm place to a cold place
  8. 16. has no definite shape or volume, moves rapidly
  9. 18. __________________ of mass and energy
  10. 19. Reaction that releases heat
  11. 20. mixture made up of the same kind of substance
Down
  1. 1. Substances bonded together on a chemical level
  2. 2. Color, shape, states of matter
  3. 4. 0 degrees Celcius
  4. 5. The change from either a solid or liquid to a gas
  5. 6. Energy in motion
  6. 9. The theoretical temperature represented by 0K
  7. 12. Change on a chemical level
  8. 15. A solid to a gas
  9. 17. A group of atoms bonded together