Across
- 4. Used in pencils and diamonds (6 letters)
- 5. This element’s symbol is H (8 letters)
- 7. soft metal that reacts with water (7 letters)
- 8. The gas used in glowing signs (4 letters)
- 10. Used to make foil, very light (9 letters)
- 12. Found in glass and computer chips (7 letters)
Down
- 1. The element that’s essential for breathing (8 letters)
- 2. Symbol is Na (6 letters)
- 3. Its symbol is Fe, known for strength (4 letters)
- 6. Found in table salt (8 letters)
- 9. This element strengthens bones (7 letters)
- 11. Shiny,never rusts, very expensive (4 letters)