Chemistry

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Across
  1. 4. the table that contains all known elements in the Universe
  2. 8. negatively charge particles
  3. 10. positively charged particles
  4. 11. two or more substances that are mixed together but not chemically bonded
  5. 12. all different substances in the Universe that has mass and takes up space
  6. 13. you can find this element in eggs
Down
  1. 1. this tells you the number of protons/electrons in an atom
  2. 2. describes what a substance looks like, what it can do, how dense it is, how flammable, etc.
  3. 3. particles with no charge
  4. 5. this element keeps swimming pools clean
  5. 6. a substance that contains only one type of atom
  6. 7. the study of chemicals and matter
  7. 9. a substance in which 2 or more elements are chemically bonded together
  8. 10. you can find this element in bananas