Across
- 1. a substance that increases the rate of a reaction but is not used up in the reaction
- 3. a long chain molecule formed by joining of many smaller molecules (monomers)
- 5. a reaction that involves the breakdown of a compound
- 7. a strong acid readily releases a hydrogen ion in a chemical reaction
- 8. an object/substance that can broken by bacteria/fungi and other living organisms
- 9. a reaction that involves the building up of compounds by combining elements
- 10. an acid which most of its molecules release hydrogen ions into solution
- 12. a reaction in which an acid and a base combine to produce a metal salt and water
- 13. a reaction that involves oxygen, light and heat energy
- 14. a small molecule from which polymers are made
- 16. an acid solution with a high concentration
- 17. a reaction used to produce solid products from solutions of ionic substances
- 19. A theory that says the particles must collide to react
- 20. how fast or slow a reaction proceeds
- 21. a mixture of solute dissolved in water
Down
- 1. the number of active molecules in a set volume of solution
- 2. an ion that does not take part in a chemical reaction
- 4. a reaction that involves the combination of oxygen with a fuel or metal
- 6. an insoluble compound formed in a precipitation reaction
- 11. process of joining of smaller units (monomers) to form a polymer
- 15. a molecule that contains only carbon and hydrogen atoms
- 18. a small number of active molecules (acid) in a solution