Chapter 11 of 46
Syllabus
Atomic Structure — Syllabus
JEE Advanced · Chemistry
Free Atomic Structure syllabus for JEE Advanced Chemistry 2026 — topics covered, weightage, and preparation priorities for this chapter.
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Topics covered in Atomic Structure for JEE Advanced Chemistry.
Topics in Atomic Structure
1
Discovery of Subatomic Particles
- Electron discovered through cathode ray experiments by J.J. Thomson
- Cathode rays are streams of electrons traveling from cathode to anode
- Properties of cathode rays: travel in straight lines, have mass, negatively charged, deflected by electric and magnetic fields
2
Atomic Models
- Thomson's plum pudding model: positive charge spread uniformly with embedded electrons
- Rutherford's nuclear model based on α-particle scattering experiment
- Key observations: most α-particles pass through, few deflect, very few bounce back
3
Electromagnetic Radiations and Quantum Theory
- Electromagnetic radiation has wave-particle dual nature
- Wave properties: wavelength (λ), frequency (ν), velocity (c)
- Relationship: c = νλ, where c = 3 × 10⁸ m/s
4
Hydrogen Spectrum and Spectral Series
- Hydrogen spectrum consists of discrete lines, not continuous spectrum
- Line spectrum proves quantized energy levels in atoms
- Spectral series: Lyman (UV), Balmer (visible), Paschen (IR), Brackett (IR), Pfund (far IR)
Key Concepts
Three fundamental particles form atomsElectromagnetic radiation exhibits dual natureHydrogen spectrum shows discrete lines groupedde Broglie proposed matter wavesFour quantum numbers describe electron state
Frequently Asked Questions
What topics are covered in Atomic Structure for JEE Advanced?
Atomic Structure is an important chapter in JEE Advanced Chemistry. It covers key concepts and formulas that are frequently tested in the exam. Key topics include: Discovery of Subatomic Particles, Atomic Models, Electromagnetic Radiations and Quantum Theory, Hydrogen Spectrum and Spectral Series.
How important is Atomic Structure for JEE Advanced?
Atomic Structure is a frequently tested chapter in JEE Advanced Chemistry. Questions from this chapter appear regularly in previous year papers. There are 81 practice questions available for this chapter.
How to prepare Atomic Structure for JEE Advanced?
Start by understanding the core concepts, then solve practice questions. Focus on formulas and their applications. Use revision notes for quick review before the exam.
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