Atoms and The Periodic Table Crossword

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Across
  1. 3. The process in which one or more substances are converted into a new substance.
  2. 8. Anything that has mass and takes up space.
  3. 10. a group of atoms that are bonded together.
  4. 11. Elements that have the properties of both metals and nonmetals.
  5. 12. Subatomic particle without a charge.
  6. 14. The element with the atomic number of 8.
  7. 15. The chemicals that are present at the start of a chemical reaction.
  8. 16. A substance’s odor is considered a ___________ property.
  9. 18. Subatomic particle with a negative charge.
  10. 19. Smallest particle that retains an element’s properties.
  11. 20. The result of a chemical reaction.
Down
  1. 1. The _______ point is the temperature in which a substance will turn from a liquid to a solid.
  2. 2. The measure of a substances ability to break down over time.
  3. 4. Any substance that cannot be broken into a simpler substance.
  4. 5. The law of ______________ of matter states that matter is neither created or destroyed.
  5. 6. The Bohr model is also known as the __________ model.
  6. 7. measure of a substance’s ability to ignite or burn.
  7. 9. Noble gases are known as ___________.
  8. 13. Elements that are poor conductors and contain no luster.
  9. 17. Subatomic particle with a positive charge.