Across
- 2. provide or contribute
- 7. the transfer of electrons between species in a chemical reaction, where there is a process of gaining electrons or a decrease in the oxidation state by an element.
- 9. the removal of contaminants from something
- 11. allow (a liquid, gas, or other substance) to flow out from where it has been confined.
- 13. a liquid or gel which contains ions and can be decomposed by electrolysis, e.g. that present in a battery
- 14. having qualities or features which arouse interest.
- 16. chemical decomposition produced by passing an electric current through a liquid or solution containing ions.
- 19. not changed
- 21. do not change
- 23. become or cause to become incorporated into a liquid so as to form a solution.
Down
- 1. put or set down (something or someone) in a specific place.
- 3. gather together or acquire an increasing number or quantity of
- 4. a substance that tends to bring about reduction by being oxidized and losing electrons.
- 5. convert (an atom, molecule, or substance) into an ion or ions, typically by removing one or more electrons.
- 6. the loss of electrons during a reaction by a molecule, atom or ion.
- 7. be given with something
- 8. the positively charged electrode by which the electrons leave an electrical device.
- 10. a substance in a redox chemical reaction that gains or "accepts"/"receives" an electron from a reducing agent.
- 12. offering resistance to something or someone
- 15. he negatively charged electrode by which electrons enter an electrical device.
- 17. densely filled or covered with.
- 18. firm and stable in shape; not liquid or fluid.
- 20. of or containing water
- 22. mixed with foreign matter