Across
- 3. stable oxide
- 7. Biological cells release the energy stored in glucose for use by the cell or the body
- 9. A natural process that converts a refined metal into a more
- 10. A decrease in oxidation number of an atom or ion during a reaction
Down
- 1. A chemical reaction that takes place between an oxidising substance and a reducing substance
- 2. RIG A memory aid for remembering one definition of oxidation and reduction
- 3. A chemical reaction in which a substance reacts with oxygen - the reaction is exothermic
- 4. Silvery-gray metal that resembles iron
- 5. An increase in oxidation number of an atom or ion during a reaction
- 6. A term used to describe oxidised organic material
- 8. This element has the symbol C
