Across
- 3. - Most abundant element in Earth's atmosphere
- 5. - Used in neon signs for its bright red-orange glow
- 9. - Essential for life, found in DNA and RNA
- 10. - Known for its use in lithium-ion batteries
- 14. - Commonly found in table salt
- 15. - Known for its strength-to-weight ratio and corrosion resistance
- 17. - Used in galvanization and as a dietary supplement
- 19. - Essential for respiration and combustion
- 20. - Lightweight metal used in a wide range of applications
- 22. - Used in high-strength, lightweight materials
- 23. - Used in aerospace and 3D printing applications
- 24. - Highly reactive halogen gas
- 26. - Found in bones and teeth, essential for muscle function
- 29. - Used to disinfect water and as a bleaching agent
Down
- 1. - The first element on the periodic table
- 2. - Known for its use in coins and stainless steel
- 4. - Essential for plant growth and nerve function in animals
- 6. - A noble gas used in balloons
- 7. - Used in magnets and rechargeable batteries
- 8. - Essential for hemoglobin and steel production
- 11. - One of the first metals used by humans, known for its conductivity
- 12. - Used in steel production and as a dietary supplement
- 13. - Adds hardness and corrosion resistance to steel
- 16. - Used in steel alloys and aerospace applications
- 18. - Essential element for life, found in all organic compounds
- 21. - Used in alloys and as a dietary supplement
- 22. - Lightweight metal commonly used in aerospace applications
- 25. - Used in semiconductors and computer chips
- 27. - Inert gas used in light bulbs and welding
- 28. - Known for its distinct smell and role in sulfuric acid production