Chemistry covers the structure of matter and chemical reactions. This guide covers atomic structure (electrons, protons, neutrons, Bohr model, quantum numbers, electron configurations), periodic table organization and periodic trends (atomic radius, ionization energy, electronegativity, electron affinity), chemical bonding (ionic, covalent, metallic, VSEPR theory, hybridization, resonance), chemical reactions and stoichiometry (balancing equations, reaction types, mole concept, limiting reagents, percent yield), acids and bases (pH scale, neutralization, buffers, hydrolysis, indicators), metals and nonmetals (properties, reactivity series, corrosion, alloys, extraction), organic chemistry (hydrocarbons, functional groups, isomerism, nomenclature), polymers and macromolecules (proteins, carbohydrates, fats, synthetic polymers, recycling), solutions and colloids (concentration methods, colligative properties, colloidal particles, Tyndall effect), and environmental chemistry (air/water/soil pollution, greenhouse effect, ozone depletion, green chemistry, remediation). Grounded in Indian examples: mineral extraction, polymer industry, pollution crisis, fertilizer chemistry. 12 chapters, 270+ practice MCQs with periodic table reference, reaction types, acid-base scales, and mnemonics.
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