Thomas Burd's chemistry vocab crossword puzzle

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Across
  1. 3. takes up space by having volume
  2. 5. property a characteristic of a substance due to a chemical reaction
  3. 8. a solid material that tends to be shiny and malleable
  4. 9. property a characteristic of something without changing
  5. 10. something that undergoes change during a reaction
  6. 11. a process that absorbs energy
  7. 12. only 1 distinct phase
  8. 13. no shape or volume but expands infinitely
  9. 15. a state of matter that keeps its shape and density
Down
  1. 1. process that releases energy into the surroundings
  2. 2. lists the elements contained within it
  3. 4. no definite shape
  4. 6. something made from atoms
  5. 7. 2 or more visibly distinct phases
  6. 14. smallest unit of an element