Across
- 3. The study of properties of matter and the change it undergoes
- 7. The most reactive non-metals
- 9. A positively charged particle
- 11. A compound formed when a metal and a non-metal combine
- 13. The ability to be pounded or rolled into sheets
- 15. A negatively charged particle
- 16. A compound formed when non-metal combine to produce a pure substance
- 21. An experiment in which one or more products of a chemical reaction can escape
- 22. When a substances react to form a new substance
- 24. a pure substance made up of two or more elements chemically combined together
- 26. A slow chemical change that occurs when oxygen in the air reacts with a metal
- 27. Often liquids or gases at room temperature, not shiny, are insulators, not malleable or ductile
Down
- 1. The ability to be stretched into long wires
- 2. Can be in-between metals and non-metals
- 4. An experiment in which all reactants and all products of a chemical reaction are accounted for
- 5. When a substance changes state but not its composition
- 6. The most stable and unreactive
- 8. The shininess of a substance
- 10. The amount of matter that occupies a certain space
- 12. A positively charged ion
- 14. Substances that react in a chemical reaction to form a new substance
- 17. The ability to carry an electrical current
- 18. A new substance produced in a chemical reaction
- 19. The average mass of an element(amu)
- 20. This element has one proton, one electron and no neutrons
- 23. A negatively charged ion
- 25. Solid at room temperature, malleable, have lustre, are conductors, are ductile