Across
- 2. This metal is liquid at room temperature
- 5. It’s the last group of the periodic table
- 6. It's used in catalytic converters
- 9. The study of this element made Marie Curie die
- 10. With it, we grow strong
- 12. Some religious ancient structures are made with it
Down
- 1. We can find this element all through the air
- 3. The most radioactive element
- 4. It conducts electricity and it is used in wiring
- 7. It’s the first group in the periodic table
- 8. It is used to illuminate some panels
- 11. It’s the heaviest metal