Matter

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Across
  1. 1. Amount of space occupied by an object
  2. 5. negatively charged particle
  3. 7. An atom's central core, containing protons and neutrons.
  4. 10. small particle in the nucleus of the atom, with no electrical charge
  5. 11. positively charged particle
  6. 12. gas to solid
  7. 13. Basic unit of matter
  8. 14. the degree of compactness of a substance.
Down
  1. 1. liquid to gas
  2. 2. solid to gas
  3. 3. A Group of atoms bonded together
  4. 4. a lipped cylindrical glass container for laboratory use.
  5. 6. solid, liquid, gas, plasma
  6. 8. gas to liquid
  7. 9. a change of matter from one form to another without a change in chemical properties