dorin's chemistry crossword

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Across
  1. 2. Varies in shape and volume
  2. 4. Anything that occupies space
  3. 7. Releases energy into surroundings
  4. 10. Fixed shape and volume
  5. 12. Often confused for mass
  6. 13. Particles can collide hard enough to break in to charged particles
  7. 15. The study of composition, structure, changes, and properties of matter
Down
  1. 1. Form of gas that is typically a liquid or solid
  2. 3. Traits of a particular thing; can be extensive or intensive
  3. 5. Smallest unit of an element
  4. 6. Absorbs energy from surroundings
  5. 7. A pure substance made of one atom
  6. 8. The ability to do work
  7. 9. The amount of matter in an object
  8. 11. The amount of space taken by an object
  9. 14. Varies in shape, fixed volume