"Edexcel IGCSE Reactivity Series - Crossword": HTML5 Crossword

Across

1. Used to galvanise iron (4)
3. Method preventing air or water getting to a metal surface (7)
5. A substance that takes electrons away from other species (9)
6. These are lost or gained during redox reaction (9)
7. Reacts slowly with water, but vigorously with steam (9)
9. A song by 'The Chemical Brothers' (9)
11. When oxidation states of atoms are changed (5)
17. Aluminium, iron oxide and magnesium ribbon (8)
19. A measure of instability (10)
20. A useful REDOX acronym (6)

Down

2. Less reactive than sodium, more reactive than magnesium (7)
4. Loss of oxygen (9)
8. A more reactive does this to a less reactive one (8)
10. A method using a more reactive metal to protects a less reactive one (11)
12. Reactions of metals with acids are always... (10)
13. Napoleon's cutlery (9)
14. Hydrated iron III oxide (4)
15. A list in a specific order (6)
16. Loss of electrons (9)
18. This agent can take oxygen away from other compounds (8)