Across
- 2. the only elemental metal that is liquid at room temperature
- 3. you breath it
- 6. as strong as steel but much less dence
- 8. naturally antibactirial
- 9. the most common state of matter in the universe
Down
- 1. 80% of the Earth's inner and outer cores
- 2. the 8th most abdunt element
- 4. The discovery of lead is not attributed to any single human
- 5. conducts heat and electricity
- 7. helps cells to transmit nerve signals
