Solid State — Class 12 CBSE Chemistry revision notes
A 7-page visual revision sheet for Solid State, written for Class 12 CBSE Chemistry. Formulas, diagrams and the traps that cost marks, laid out to be read the night before rather than the term before. Free, and it opens inside CapCompass.
What this Solid State sheet covers
- Types of Solids
- Crystalline
- Amorphous
- Isomorphism and Polymorphism
- Classification of Crystalline Solids
- Ionic
- Covalent network
- Molecular
- Metallic
- basis
- unit cell
- Crystal Lattices and Unit Cells
- Types of Unit Cell
- The Seven Crystal Systems
- Cubic System and Number of Particles
- sc
- bcc
- fcc
- Formula from Unit Cell Occupancy, worked
- molar mass
- unit cell dimensions
- Density Calculations
- mass of one unit cell, n particles of mass m each
- density of the unit cell (equals the substance's density)
- mass of one particle from the molar mass M
- combining the two gives the working equation
- number of particles in x g of the substance
- number of unit cells in x g of the substance
- Density from a Unit Cell, worked
- Atoms and Unit Cells from Mass, worked
- Close Packing and Coordination Number
- hcp vs ccp (fcc) Stacking
- hcp
- ccp / fcc
- Voids
- Voids from Moles, worked
- Packing Efficiency
- simple cubic (sc): spheres touch along the edge
- body centred cubic (bcc): spheres touch along the body diagonal
- face centred cubic (fcc, ccp): spheres touch along the face diagonal
- Defects & Properties
- Defects and Properties
- Defects
- Schottky and Frenkel Defects
- Schottky
- Frenkel
- Impurity Defects
- Defect Effect on Density, at a Glance
- Vacancy
- Self-interstitial, extra particle
- Self-interstitial, shifted
- Non-stoichiometric Defects
- Electrical Properties and Band Theory
- Band Gaps, E_gap in eV
- Metals vs Semiconductors
- Metals
- Semiconductors
- Semiconductors and Doping
- Magnetic Properties
- Traps that cost marks
- Tricks that save time
How CapCompass uses this sheet
These notes are not a standalone PDF. CapCompass plans Chemistry chapter by chapter against your real exam dates and free hours, and when the plan reaches Solid State the sheet opens inside the study block itself — at the page covering the sub-topic that block is on, with the timer still running. Revision arrives at the moment the plan says revise, instead of having to be gone looking for.