Chemistry

4. A reaction involving a loss of electrons from an atom, a molecule or an ion.
8. A reaction in which a more reactive element displaces a less reactive one.
9. Atomic number 8
10. A chemical reaction in which a substance reacts with oxygen - the reaction is exothermic

1. The name given to the process that takes place when metals and alloys are chemically attacked by oxygen, water, or any other substances found in their immediate environment
2. A term used to describe oxidised organic material (food) - usually involving a bad smell
3. A reaction involving a gain of electrons from an atom, a molecule or an ion.
5. A chemical process in which two substances react
6. The negatively charged subatomic particle
7. Oxidation and reduction