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