About Lesson
- Classification of solids based on different binding forces −
- Molecular
- Ionic
- covalent and metallic solids
- amorphous and crystalline solids (elementary idea)
- Unit cell in two dimensional and three dimensional lattices
- Calculation of density of unit cell
- Packing in solids
- Packing efficiency
- Voids
- Number of atoms per unit cell in a cubic unit cell
- Point defects
- Electrical and magnetic properties
- Band theory of −
- Metals
- Conductors
- Semiconductors
- Insulators
- n & p type semiconductors