Across
- 3. A chemical reaction in which a substance reacts with oxygen - the reaction is exothermic.
- 5. A reaction involving both reduction and oxidation
- 7. A decrease in oxidation number of an atom or ion durinf a reaction
- 9. The name given to the takes place when metals and alloys are chemically process that attacked by oxygen, water or any other substances found in their immediate environment
- 10. A substance that oxidises another substance during a redox reaction and is itself reduced during the reaction
Down
- 1. A reaction in which a more reactive element displaces a less reactive element from a solution of its salt
- 2. The chemical reaction by ehich biological cells release the energy stored in glucose for use by the cell or the body
- 4. elements from the central region of the Periodic Table they are hard,strong,dense metals that form compounds that are often coloured
- 6. A substance that reduces another substance during a redox reaction and is itself oxidised during the reaction
- 8. A term used to describe oxidised organic material (food) - usually involving a bad smell