Unacademy Class 11 Chemistry Notes Pdf Portable Download Work Jun 2026

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Isomerism, IUPAC nomenclature.

: Covers preparation methods and chemical properties of Alkanes, Alkenes, Alkynes, and Aromatic Hydrocarbons (Benzene). Features of the Portable PDF Format unacademy class 11 chemistry notes pdf portable download

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Here is a quick guide to finding and downloading your notes: : Covers preparation methods and chemical properties of

| Chapter | Topics Covered | How to Use the PDF | | :--- | :--- | :--- | | | Importance of chemistry, nature of matter, laws of chemical combination, Dalton's atomic theory, atomic and molecular masses, mole concept, percentage composition, stoichiometry. | Read before solving numerical problems. Use it to memorise the laws and key formulas like the mole concept. | | 2. Structure of Atom | Discovery of subatomic particles (electron, proton, neutron), atomic models (Thomson, Rutherford, Bohr), quantum mechanical model, quantum numbers, Pauli's exclusion principle, Hund's rule, Aufbau principle. | Use to understand the evolution of atomic theory. The diagrams in the PDF are crucial for visualising complex models. | | 3. Classification of Elements and Periodicity in Properties | Dobereiner's triads, Newlands' law of octaves, Mendeleev's periodic table, modern periodic table, periodic trends (atomic radius, ionisation enthalpy, electron gain enthalpy, electronegativity). | Excellent for memorising periodic trends. Practice explaining trends across a period and down a group. | | 4. Chemical Bonding and Molecular Structure | Kossel-Lewis approach, octet rule, ionic bond, covalent bond, bond parameters, Lewis structures, VSEPR theory, valence bond theory, hybridisation, molecular orbital theory, hydrogen bonding. | Use to master the art of drawing Lewis structures and predicting molecular geometries using VSEPR theory. |