solid state
Across
- 2. cell What is the basic repeating unit of a crystal lattice
- 4. What type of solid is formed by a lattice of positive ions in a "sea" of electrons
- 6. What type of defect involves an equal number of cation and anion vacancies
- 8. What number refers to the number of nearest neighbors surrounding an atom or ion
- 10. What type of solid is formed by molecules held together by weak intermolecular forces
- 14. What property describes the same value in all directions
- 15. What type of solid is formed by electrostatic attraction between oppositely charged ions
Down
- 1. What type of material conducts electricity under certain conditions
- 3. What type of solid has atoms covalently bonded to each other throughout the entire crystal
- 5. What type of defect involves missing atoms from lattice sites
- 7. What type of defect involves an ion leaving its lattice site and occupying an interstitial site
- 9. What property describes different values in different directions
- 11. What type of solid has a long-range order
- 12. What process increases the conductivity of a semiconductor by adding impurities
- 13. What type of solid lacks a long-range order