Across
- 4. Platinum, Palladium, and rhodium are metals used in catalytic converters in
- 7. The compound produced when magnesium reacts with chlorine
- 11. This tells you what a substance does in chemical reactions
- 13. Some metals used as catalysts are rare and very
- 14. Metals can be found in the periodic table. Therefore they are
- 16. harmful gas produced by cars
- 18. This metal gives blood its read colour
- 20. Consists of two or more elements
- 22. The compound produced when iron reacts with sulfur
Down
- 1. property This tells you what a substance looks like or does
- 2. The part of a car that converts harmful gases into less harmful ones
- 3. When a metal can be hammered into a thin sheet
- 5. The only metal that is a liquid at room temperature
- 6. The compound produced when silver reacts with oxygen
- 8. A substance that speeds up a chemical reaction without being used up
- 9. A chemical property of iron
- 10. The compound produced when sodium reacts with oxygen
- 12. The compound produced when zinc reacts with fluorine
- 15. The compound produced when lithium reacts with oxygen
- 17. The metal used to make wires for electrical circuits
- 19. Most metals react with this element in chemical reactions
- 21. When a metal can be drawn into a thin wire