Across
- 1. ____ a substance composed of two units
- 4. table __chemical properties of the known elements
- 7. a substance that consists of atoms
- 8. substances you start with
- 10. ability to transfer energy
Down
- 2. able to be hammered into thin sheets
- 3. ___ able to be drawn into thin wires
- 5. ability to reflect
- 6. mass___the average mass of different forms of elements
- 9. the smallest unit of matter