# States of matter (Weightage 3%)   Share

### Topics from States of matter

• Classification of solids: molecular, iconic, covalent and metallic solids (4 concepts)
• Amorphos and crystalline solids (4 concepts)
• Bragg's law and its applications (1 concepts)
• Unit cell and lattices, packing in solids( fcc, bcc and hcp lattices) (6 concepts)
• Calculations involving unit cell parameters (24 concepts)
• Voids (17 concepts)
• Real gases, deviation from ideal behaviour, compressibility factor and van der Waals equation (25 concepts)
• Gas laws- Boyle's law, Charle's Law' Graham's law of diffusion (4 concepts)
• Avagadro's law, Dalton's law of partial pressure (1 concepts)
• Concept of atom, Absolute sclae of temperature, ideal gas equation (3 concepts)
• Properties of liquids- vapour pressure, viscosity and surface tension and effect of temperature on them (15 concepts)
• Kinetic theory of gases, Concept of average, Root mean square and most probable velocities (11 concepts)
• Imperfection in solids (4 concepts)
• Electrical and magnetic properties (9 concepts)
• GAS LAWS (5 concepts)
• INTERMOLECULAR FORCES (1 concepts)
• THERMAL ENERGY (1 concepts)
• THE GASEOUS STATE (1 concepts)
• IDEAL GAS EQUATION (2 concepts)
• KINETIC ENERGY AND MOLECULAR SPEEDS (1 concepts)
• KINETIC MOLECULAR THEORY OF GASES (1 concepts)
• BEHAVIOUR OF REAL GASES: DEVIATION FROM IDEAL GAS BEHAVIOUR (2 concepts)
• LIQUIFACTION OF GASES (1 concepts)
• LIQUID STATE (1 concepts)
• GENERAL CHARACTERISTICS OF SOLID STATE (1 concepts)
• CLASSIFICATION OF CRYSTALLINE SOLIDS (1 concepts)
• CRYSTAL LATTICES AND UNIT CELLS (1 concepts)
• NUMBER OF ATOMS IN A UNIT CELL (1 concepts)
• CLOSE PACKED STRUCTURES (2 concepts)
• PACKING EFFICIENCY (1 concepts)
• CALCULATIONS INVOLVING UNIT CELL DIMENSIONS (1 concepts)
• STRUCTURES OF SOME IONIC SOLIDS (1 concepts)
• IMPERFECTIONS IN SOLIDS (1 concepts)
• PROPERTIES OF SOLIDS (3 concepts)

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