Across
- 4. is copper sulphate a compound or a element
- 5. what is the least reactive metal
- 6. is gold a element or a compound
- 8. is magnesium more reactive then gold
- 10. Witch one is more reactive Zinc or Aluminum
- 12. What is the most reactive metal
- 15. what is the second least reactive metal
Down
- 1. what was found first calcium or copper
- 2. what does Copper + Tin make
- 3. what react with potassium to make it explode
- 5. what was invented first magnesium or gold
- 7. What is the forth most reactive metal
- 9. what does copper + oxygen make
- 11. what was invented first copper or calcium
- 13. what is the second most reactive metal
- 14. what is the third most reactive metal