Across
- 2. The model explaining that matter is made of small moving particles.
- 5. Tend to be shiny and a good conductor.
- 6. Elements with properties between metals and non-metals.
- 7. The force exerted per unit area.
- 10. Reaction where two or more substances combine to form one.
- 13. Reaction where one compound breaks down into simpler substance.
- 15. Elements that are poor conductors and are often gases.
- 16. Chemical element with symbol Na
Down
- 1. Chemical element found in group 2 and period 4.
- 3. Substances made of only one kind of atom.
- 4. A change directly from gas to solid.
- 5. A change from solid to liquid
- 8. Matter that has no fixed volume or shape.
- 9. Vertical columns on the periodic table
- 11. The negative charged particle of an atom.
- 12. Tiny building blocks of matter.
- 14. The total mass of particles divided by volume.