Across
- 4. Group 17 gas used in pools
- 6. (Blank)2O
- 9. Conductive metal used in wires
- 10. The element with the symbol Fe
- 11. Needed for fire
- 13. Found in bones
- 14. Same name as one of the planets in our solar system
Down
- 1. Found in all organic molecules
- 2. [Ar] 4s² 3d¹⁰
- 3. Used in nuclear weapons
- 5. Used at birthday parties
- 7. Valuable yellow metal
- 8. Strongest reaction when in contact with water
- 12. Used in batteries