Across
- 2. Alloyed in coins and magnets.
- 4. Found in blood and skyscrapers.
- 7. Semiconductor in electronics.
- 9. Inflates balloons and cools superconductors.
- 10. Transition metal used in alloys.
- 11. Glows in colorful signs.
- 15. Liquid at room temperature.
- 16. Shiny metal used in jewelry.
- 18. Fissile material for nuclear reactors.
- 22. Alkali metal in bananas.
- 23. Semiconductor material.
Down
- 1. First on the periodic table.
- 3. Light metal used in batteries.
- 5. Conductive metal in wires.
- 6. Essential trace element.
- 8. Lightweight and corrosion-resistant metal.
- 12. Essential for respiration.
- 13. Dense metal, used in batteries.
- 14. Reactive metal in table salt.
- 17. Yellow non-metal essential for life.
- 19. Lightweight metal for various applications.
- 20. Basis of organic compounds.
- 21. Precious metal catalyst.