Across
- 2. The colour of cooper sulphate
- 5. Salt formed from ethanoic acid
- 7. An element or compound that increases the rate of a reaction
- 8. The type of bonding between two non-metals
- 11. The ions that any alkaline substance contains
- 12. Where a more reactive metal displaces a less reactive metal from a compound
- 13. The first element in the Periodic Table
- 14. Plastics that can be re-moulded
- 18. These nanoparticles are being used to treat malignant tumors
- 19. The first element in Group 1 of the Periodic Table
- 20. Anything that can neutralise an acid
- 21. A carbon-based substance that can conduct electricity. Used in pencils
Down
- 1. A positive ion
- 2. Sodium chloride dissolved in water
- 3. The main source of aluminium ore
- 4. These allow metals to conduct electricity(two words)
- 5. A technique in which a thin layer of metal is used to coat another object
- 6. The negative electrode
- 9. An atom of an element that has a different number of neutrons
- 10. An insoluble substance
- 15. A reaction in which energy is taken in
- 16. Densest element known to man
- 17. A reaction in which energy is given out