Matter & Atomic Structure

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Across
  1. 1. Hydrargyrum
  2. 6. the number of protons in the nucleus (two words, no space)
  3. 8. the particle in a atom that does not have any charge
  4. 9. the name of the big number that shows how many molecules are
  5. 11. a positively charged particle in the nucleus
  6. 12. a short way of writing a chemical reaction
  7. 13. anything that has mass and takes up space
  8. 14. the measure of how many molecules are in a substance (often confused with weight)
  9. 16. how close a substance's molecules are
  10. 18. how much space an object takes up
Down
  1. 2. the study of the properties and changes of matter
  2. 3. the proper name for burning
  3. 4. a short way of writing an element's name
  4. 5. the name of the little number that shows how many atoms are in a reaction
  5. 7. the negatively charged particle outside of the nucleus
  6. 9. a substance made of 2 or more elements chemically combined
  7. 10. a short way of writing a compound's name
  8. 12. a substance that cannot be broken down chemically
  9. 15. the measure of the pull of gravity on an object
  10. 17. Argentum