Across
- 3. in pencil
- 5. for nuclear power plants and the nuclear reactors
- 7. Lightest atom
- 10. Diamond
- 11. Makes a bright light when combined with Oxygen
- 13. When inhaled your voice is squeaky
- 14. Atomic Symbol
Down
- 1. Marie Curie Created
- 2. One of the elements to make the alloy bronze
- 3. Often in Batteries
- 4. Tinfoil
- 6. Heavest Atom
- 8. We breathe it
- 9. Often Material for swords
- 12. in Jewellery