Scince word stuff

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Across
  1. 3. Organic catalyst
  2. 6. Absorbs heat
  3. 7. Materials created by the reaction
  4. 9. Ability to _______ electricity and heat
  5. 10. Change from a gas to liquid
  6. 11. Releases heat
  7. 13. Can be pounded or rolled into sheets
  8. 14. Cloudy mixture in which tiny particles of one substance are held with another
  9. 15. Materials that start the reaction
  10. 17. Negative charges
  11. 19. Slow chemical reaction that decomposes or eats away metal
  12. 20. Horizontal row in a periodic table
  13. 22. Two or more elements combine chemically
  14. 24. Positive charges
Down
  1. 1. No charges
  2. 2. chemical reaction that reacts to oxygen and gives off energy and heat
  3. 4. Number of protons
  4. 5. Change from a solid to a liquid
  5. 8. Groups of atoms acting as one
  6. 12. Help speed up the reaction rate
  7. 14. Ability to dissolve
  8. 16. consists of protons and neutrons
  9. 18. Different substances that make something up and it is not visible
  10. 21. Made up of one kind of matter and has a unique set of properties
  11. 23. Amount of mass in a given volume