Across
- 3. combination of substances not chemically combined
- 5. ratio mass and volume of a substance
- 6. change into new substance with new properties
- 9. temperature and pressure at which a liquid becomes a gas
- 10. change of matter from one form to another without a change in chemical properties
Down
- 1. has definite chemical and physical properties
- 2. cannot be broken down into simpler substances by chemical means
- 4. temperature an pressure at which a solid becomes a liquid
- 7. anything that has mass and takes up space
- 8. made of two or more elements held together by chemical bonds