Matter

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