Across
- 2. Smallest particle which makes up an element.
- 6. Chemical change which produces new materials
- 8. Chemicals taking part in a reaction
- 11. Chemicals formed during a reaction
- 13. Type of element found on the left of the Periodic Table
- 14. Negative particle found on the shells of an atom.
- 16. System of letters and numbers used to represent a compound
- 18. Centre of an atom
Down
- 1. Place where chemical elements are listed
- 3. Method of displaying reactions, using words or symbols
- 4. Uncharged particle found in the nucleus of an atom.
- 5. Law which says that total mass is unchanged during a reaction
- 7. Positive particle found in the nucleus of an atom
- 9. One or two letter code used to represent an element
- 10. Neutral particle formed when a small group of atoms bond together
- 12. Simplest chemicals - made of 1 type of atom
- 15. Chemical formed when 2 or more elements bond together
- 17. Path around the outside of an atom