Matter

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Across
  1. 1. solid to gas
  2. 4. states of matter
  3. 7. of matter solid, liquid, gas, plasma
  4. 10. An atom's central core, containing protons and neutrons.
  5. 11. the degree of compactness of a substance.
  6. 14. A change that occurs when one or more substances change into entirely new substances with different properties.
  7. 15. 32 degrees Fahrenheit and 0 degrees Celsius
  8. 17. A group of atoms bonded together
  9. 18. Basic unit of matter
  10. 20. negatively charged particle
  11. 21. The change of state from a liquid to a solid
  12. 23. used to measure the volume of a liquid
Down
  1. 2. The change in state from a solid to a liquid
  2. 3. a change from one state (solid or liquid or gas) to another without a change in chemical composition
  3. 5. a change of matter from one form to another without a change in chemical properties
  4. 6. positively charged particle
  5. 8. a lipped cylindrical glass container for laboratory use.
  6. 9. Liquid to gas
  7. 12. A small particle in the nucleus of the atom, with no electrical charge
  8. 13. gas to solid
  9. 16. 2 hydrogen atoms(+), 1 oxygen atom(-)
  10. 19. Gas to liquid
  11. 22. Amount of space occupied by an object