Across
- 1. A vital element found in diamonds, coal, and all living organisms.
- 5. This element has atomic number 22 and is widely used in aircraft parts due to its strength and resistance to corrosion.
- 7. This element has atomic number 23 and is used in making high-strength tools and machinery.
- 8. Known for its poisonous compounds, often associated with cyanide.
Down
- 2. This element is crucial to life but also contributes to fire’s raging flame.
- 3. A rare earth element used in lasers, with atomic number 68.
- 4. Found in balloons, it is the lightest noble gas, famous for its bright signs.
- 6. A common element used in medical imaging and formerly in goiter treatments.