Across
- 2. A transition metal essential for haemoglobin in blood (4)
- 4. A row in the periodic table (6)
- 5. A noble gas used in advertising signs (4)
- 8. A ductile metal used in electrical wiring (6)
- 10. Noble gases are known for this lack of reactivity (5)
- 14. A substance that speeds up a reaction without being used up (8)
- 16. Noble gases are chemically this (6)
- 17. The gradual destruction of a metal due to chemical reactions (9)
- 18. Able to be hammered or pressed permanently out of shape without breaking or cracking (9)
- 19. A noble gas used to fill balloons (6)
Down
- 1. A precious, unreactive metal used in jewellery (4)
- 3. A noble gas used in light bulbs (5)
- 6. Noble gases have a full outer shell, satisfying this rule (5)
- 7. Many transition metal compounds exhibit this property (6)
- 9. Metals located in the central block of the periodic table (11)
- 11. Able to be drawn out into a thin wire (7)
- 12. A heavy noble gas used in some lamps (5)
- 13. The shine on a metal (6)
- 15. Transition metals show this in their oxidation states (9)