chemistry crossword

123456789101112131415161718192021
Across
  1. 2. Small amount of active molecules in an aqueous solution
  2. 5. Solute dissolved in solvent (eg. water)
  3. 6. Reaction involving oxygen and releases light + heat energy
  4. 11. reaction Combination of oxygen with fuel or metal
  5. 16. No. of active molecules in a volume of solution
  6. 17. Polymer is made from this
  7. 18. Long-chain molecule formed by monomers
  8. 19. Substance or object that can be decomposed by organisms
  9. 20. ion Ion that does not take part in a reaction
  10. 21. Acid + base = salt + water
Down
  1. 1. Something that speeds up a reaction but is not used in it
  2. 3. Molecule only containing carbon and hydrogen atoms
  3. 4. theory Particles in an equation must collide to react
  4. 7. Insoluble compound formed in a specific reaction
  5. 8. Process of joining small units to make a long molecule
  6. 9. Reaction involving breakdown of compounds into simple substances
  7. 10. reaction Reaction used to produce solid products from ionic substances
  8. 12. Combination of simpler substances in a reaction
  9. 13. Strong acid; can be used to describe bond between atoms
  10. 14. rate Speed of a reaction
  11. 15. acid Acidic solution with high hydrogen ion concentration