Across
- 4. Energy of movement
- 5. Two or more atoms chemically bonded together
- 7. Where the protons and neutrons are found
- 10. Where the electrons are found in an atom
- 12. Can be drawn into wires
- 14. The more kinetic energy solid particles have, the more they ___________
- 15. Smallest unit of matter
- 18. Can be compressed and can take the shape of a container
- 19. A substance made from one type of atom
- 20. Mass per unit volume
- 21. Gas becomes a liquid
Down
- 1. The rows in the periodic table
- 2. Makes a ringing sound when hit
- 3. Breaks easily when a force is applied
- 6. More than one atom chemically bonded together
- 8. Cannot be compressed and has a fixed shape
- 9. Can be hammered into thin sheets
- 11. When a liquid becomes a gas
- 13. Can take the shape of a container but cannot be compressed
- 16. Subatomic particle with a positive charge
- 17. The mass of a neutron