Structure of Atom | Lecture :1| NCERT Deep Analysis | Boards | NEET | JEE | CUET | Rahul Dey

Описание: Structure of Atom | Lecture 1 | NCERT Deep Analysis Class 11 | Dalton’s Atomic Theory to Subatomic Particles | Rahul Dey NCERT Line-by-Line | Lecture 1 | Boards | NEET | JEE | CUET

Welcome to Lecture 1 of Structure of Atom, the second chapter of Class 11 Chemistry NCERT, taught by Rahul Dey Sir. This session builds the entire historical and conceptual foundation of atomic structure — from Dalton's model to the discovery of subatomic particles and early atomic models. This is a high-weightage topic for Boards, NEET, JEE, and CUET 2026–2027.

🧪 Topics Covered in This Lecture:
✅ Historical Background – Dalton’s Atomic Theory
✅ Merits & Limitations of Dalton’s Theory
✅ Discovery of Electron – Cathode Ray Tube Experiment
✅ Properties of Cathode Rays
✅ J.J. Thomson’s e/m Measurement (Charge-to-Mass Ratio)
✅ Millikan’s Oil Drop Experiment – Charge of Electron
✅ Discovery of Proton – Anode Rays / Canal Rays
✅ Properties of Anode Rays
✅ Discovery of Neutron – Chadwick’s Experiment
✅ Comparison of Subatomic Particles
✅ Thomson’s Atomic Model (Plum Pudding Model)
✅ Rutherford’s α-Particle Scattering Experiment
✅ Rutherford’s Nuclear Model – Success & Limitations

🎯 Perfect For:
✔️ Class 11 CBSE & State Boards – 2026, 2027
✔️ NEET Chemistry 2026 & 2027
✔️ JEE Main & Advanced Chemistry
✔️ CUET Chemistry 2026/2027
✔️ Science Foundation & NTSE Aspirants

📌 What Makes This Lecture Special?
✔️ NCERT Line-by-Line + Beyond
✔️ All concepts with visual explanation
✔️ Real experiments simplified for memory
✔️ Questions + Graphs + Exam Tricks
✔️ Builds a solid base for quantum models coming next

📢 Subscribe to ChemClasses with Rahul for the complete NCERT Deep Analysis Series – Free, structured & exam-oriented Chemistry lectures from Silchar, Assam to across India.

💬 Have doubts? Drop them below — Rahul Sir will answer!
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