Across
- 5. requires a large amount of energy to break
- 7. extremely hard covalent network made of carbon
- 9. particles required to conduct electricity
- 10. repeating arrangement of particles in a solid
- 11. Iodine
- 13. covalent structure of silicon
- 14. can be shaped without breaking
- 15. ionic solid property caused by like charges repeling
- 16. can be stretched into wires
Down
- 1. charged particles in ionic compounds
- 2. silicon dioxide
- 3. made of carbon atoms in layers
- 4. Magnesium oxide
- 6. weak bonds
- 7. electrons that are free to move
- 8. type of solid with a low melting point
- 12. the attraction between polar molecules and water
- 14. Tungsten