Across
- 2. Small amount of active molecules in an aqueous solution
- 5. Solute dissolved in solvent (eg. water)
- 6. Reaction involving oxygen and releases light + heat energy
- 11. reaction Combination of oxygen with fuel or metal
- 16. No. of active molecules in a volume of solution
- 17. Polymer is made from this
- 18. Long-chain molecule formed by monomers
- 19. Substance or object that can be decomposed by organisms
- 20. ion Ion that does not take part in a reaction
- 21. Acid + base = salt + water
Down
- 1. Something that speeds up a reaction but is not used in it
- 3. Molecule only containing carbon and hydrogen atoms
- 4. theory Particles in an equation must collide to react
- 7. Insoluble compound formed in a specific reaction
- 8. Process of joining small units to make a long molecule
- 9. Reaction involving breakdown of compounds into simple substances
- 10. reaction Reaction used to produce solid products from ionic substances
- 12. Combination of simpler substances in a reaction
- 13. Strong acid; can be used to describe bond between atoms
- 14. rate Speed of a reaction
- 15. acid Acidic solution with high hydrogen ion concentration