M3 Chemistry

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Across
  1. 4. The substances that are made in a reaction.
  2. 5. The subatomic particle with a neutral charge.
  3. 7. The subatomic particle with a positive charge.
  4. 8. The smallest particle of matter that still maintains its propertires.
  5. 10. The substances that go into a chemical reaction.
  6. 13. The way to write out a chemical reaction.
  7. 17. The combination of letters and numbers that represents a compound or molecule.
  8. 18. The big number that represents how many molcules are present.
Down
  1. 1. The law of _____________ says matter cannot be created or destroyed.
  2. 2. Substances put together but not chemically attached.
  3. 3. A single type of chemical.
  4. 6. Multiple atoms bonded together.
  5. 9. Where you can find all of the different types of chemical building blocks organized.
  6. 11. H2O
  7. 12. The small number that you are not allowed to change!
  8. 13. What holds molecules and compounds together.
  9. 14. CO2
  10. 15. Multiple atoms of different types bonded together.
  11. 16. The subatomic particle with a negative charge.