IITJEE Mains • Chemistry New Syllabus
Module 11: Elements & Periodicity Hub
Master the periodic table and elemental trends. Explore historical classifications, modern periodic law, electron configurations, and periodic trends in physical and chemical properties.
Topic 1.1 • Historical Models
Genesis of Periodic Classification: Mendeleev’s Periodic Table and its Limitations
Topic 1.2 • Modern Framework
Modern Periodic Law, Moseley’s Experiment, and the Long Form of the Periodic Table
Topic 2.1 • IUPAC Rules
IUPAC Nomenclature of Elements with Atomic Number > 100
Topic 2.2 • Block Classification
Electronic Configuration and Types of Elements: s, p, d, and f Blocks
Topic 3.1 • Size Trends
Periodic Trends in Physical Properties: Atomic, Ionic, and Covalent Radii
Topic 3.2 • Energy Trends
Ionization Enthalpy and Electron Gain Enthalpy: Variations and Exceptions
Topic 4.1 • Polar Tendencies
Electronegativity Scales (Pauling, Mulliken) and Trends in Valency/Oxidation States
Topic 4.2 • Chemical Trends