Across
- 5. A substance that can accept of neutralise hydrogen ions.
- 7. A particle that makes up everything.
- 9. A substance that speeds or slows down a reaction without getting involved.
- 11. A positively charged particle.
- 12. The process of decay.
- 15. A compound with chemical properties.
- 17. The result of a chemical reaction.
- 19. The bond of two or more elements.
- 20. A negatively charged ion.
- 22. a substance that is added to cause a chemical reaction,
Down
- 1. Where substances act with each other, or change into a new substance.
- 2. Damage caused to a metal or stone.
- 3. The process of precipitating a substance from a solution.
- 4. A non-charged /neutral particle.
- 6. A positively charged ion.
- 8. A molecule that can donate a proton or accept a pair of electrons in reactions.
- 10. A fast chemical combination of a substance with oxygen.
- 11. Elements that occupy a horizontal row on the periodic table.
- 13. A negatively charged particle.
- 14. The power of combined elements.
- 16. A combination of element symbols.
- 18. A particle that has lost or gained one or more electrons.
- 21. Elements that occupy a column on the periodic table.