CHEMISTRY

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Across
  1. 3. horizontal rows
  2. 4. gas from a solid or liquid at room temperature
  3. 8. molecule with only two atoms
  4. 9. speeds up the rate of a chemical reaction
  5. 10. two atoms attracted to each other
  6. 11. set volume
  7. 16. different bonded atoms
  8. 18. gas to liquid
  9. 21. arrangement of elements into a table
  10. 23. tiny particles of matter
  11. 24. easily becomes a gas
  12. 25. three dimensional arrangement of particles in a regular pattern
  13. 27. chemical that helps chemical reactions
  14. 28. solid to gas or gas to solid
Down
  1. 1. pure substance, only one atom
  2. 2. two or more bonded atoms
  3. 5. solid to liquid
  4. 6. particles collide when substances react
  5. 7. metal damaged by the environment
  6. 9. makes new chemicals
  7. 12. single atom
  8. 13. more then two different types of bonded atoms
  9. 14. same bonded atoms
  10. 15. dangerous gas
  11. 17. chain of many simpler repeating units
  12. 19. evaporate
  13. 20. substances on the left side of a chemical equation
  14. 21. result of a chemical reaction
  15. 22. liquid to gas
  16. 26. vertical columns