Across
- 3. tendency of a substance to take part in chemical reactions
- 4. characteristic describing how a metal reacts chemically (8,8)
- 5. metal that does not react with water
- 7. salt formed when iron reacts with hydrochloric acid (4,8)
- 8. most unreactive metal in the reactivity series
- 9. positively charged ions formed when metals lose electrons
- 11. very unreactive metals such as gold and platinum (5,6)
- 13. compound formed when a metal reacts with oxygen
- 14. alkaline solution formed when potassium reacts with water (9,9)
- 15. fast reaction of a metal with oxygen for example magnesium burning
- 19. ordered list showing metals from most to least reactive
- 20. characteristic describing what a metal is like without reacting (8,8)
- 21. corrosion of iron in the presence of water and oxygen
- 22. describes a fast and energetic reaction
- 23. most reactive group of metals in the periodic table (6,6)
Down
- 1. can be hammered into shape without breaking
- 2. method where a more reactive metal protects iron from rusting (11,10)
- 5. slow chemical reaction of metals with their surroundings
- 6. allow electricity to flow through them
- 10. reaction where a more reactive metal pushes out a less reactive one (12,8)
- 12. white substance that forms on the surface of freshly cut sodium (6,5)
- 16. salt formed when zinc reacts with sulphuric acid (4,8)
- 17. shiny appearance of many metals
- 18. gas released when some metals react with acids or water
- 24. mixture of a metal with other elements to improve properties