Chapter 2

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Across
  1. 3. substance that consists of two or elements combined.
  2. 6. the measure of a system's energy per unit.
  3. 7. state of matter that changes, but substance stays the same.
  4. 8. something that occupies and has mass.
  5. 9. a chemical substance
  6. 13. degree of hotness or coldness.
  7. 14. a force of attraction between atoms and ions.
Down
  1. 1. ability to do work.
  2. 2. to be adsorbed by a liquid
  3. 3. a change of materials into a new substance.
  4. 4. smallest unit of a element or compound
  5. 5. cannot be decomposed into simpler substances.
  6. 10. the movement of molecules from a area.
  7. 11. a substance that can be neutralized
  8. 12. a particle matter that defines a chemical element.