Across
- 6. symbol Au
- 7. triangle with skull and crossbones
- 8. symbol Ne
- 9. atomic number 30
- 11. stop sign with flame in the center
Down
- 1. first element on the periodic table
- 2. symbol Na
- 3. diamond with skeletal hand in a bucket
- 4. atomic number 1
- 5. the most common injury in a lab is a burn
- 10. atomic number 20