Crossword Puzzle

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Across
  1. 6. A transformation from Liquid to Gas
  2. 7. Is an abbreviation for a chemical element
  3. 9. A transformation from Gas to Liquid
  4. 10. A transformation from Solid to Gas
  5. 12. Are also called Semiconductors or Semi-Metals
  6. 15. Can be defined as heterogenous or homogenous
Down
  1. 1. a thing that is composed of two or more separate elements
  2. 2. Are able to be drawn out into a thin wire
  3. 3. A transformation from Gas to Solid
  4. 4. Are organized in a periodic table
  5. 5. Anything with mass and volume
  6. 8. The measure of the amount of matter in an object
  7. 11. The person who organized the periodic table
  8. 13. The amount of space a substance takes up
  9. 14. substances Are made of only one type of atom or only one type of molecule