Across
- 2. Which element has a symbol which comes from its latin name 'ferrum'?
- 8. Which element has an atomic number of 9?
- 10. What is the lightest element?
- 11. Which element is in Group 5, Period 2?
- 13. Which element is needed in our body to keep our teeth and bones strong?
- 14. Which element do we need from air for respiration?
- 16. Which element is in Group 2, Period 3?
- 19. Which element is commonly used in jewllery?
- 20. Which element has the chemical symbol 'Co'?
- 21. Which element is used inside batteries?
Down
- 1. Which element is a semi-conductor used in microchips?
- 3. Which element is used in electrical wiring?
- 4. Which compound has the chemical formula H2O?
- 5. Which element has the chemical symbol 'Ag'?
- 6. Which element has the chemical symbol 'Sn'?
- 7. Which element has an atomic number of 33?
- 9. Which element is used to disinfect water in swimming pools?
- 12. An element is made up of only one type of _______ .
- 15. Which element has the chemical symbol 'Ga'?
- 17. Which element is used in advertising signs?
- 18. Which element has an atomic number of 11?
- 20. Which element has the chemical symbol 'Cs'?
- 22. Which element do we use in party balloons?