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