Across
- 3. more than one element chemically bonded together
- 6. Shiny, conducts electricity, usually solid a room temperature
- 8. dull, brittle, either solid or gas at room temperature
- 10. a compound breaking down into its elements
- 11. columns on the Periodic Table
Down
- 1. the only nonmetal to be liquid at room temperature
- 2. a way to represent a chemical compound or element with letters and numbers
- 4. an example of a nonmetal
- 5. a substance that is pure and cannot be broken down further
- 6. the only metal to be liquid at room temperature
- 7. smallest unit of matter
- 9. an example of a metal
- 12. rows on the Periodic Table