Across
- 4. hard but liable to break
- 7. able to be hammered
- 8. an element that is not metal
- 9. able to be drawn out into a thin wire
- 10. a solid material
Down
- 1. a number of people together
- 2. the mass of an atom
- 3. a length of time
- 5. the number of a chemical element
- 6. a table of chemical elements