Class 9 Chemistry – Chapter 2 Notes – New Syllabus 2025–26

Download complete notes of Chapter 2 – Atomic Structure for Class 9 Chemistry from LastHopeStudy.com – designed specifically for the Punjab Textbook Board (PTB) New Syllabus 2025–26. These notes are prepared to help you master the basic concepts of atomic theory, subatomic particles, and structure of atoms.

Chapter 2 – Atomic Structure – 9th Chemistry – New Book

This chapter includes important short questions, long questions, topic-wise MCQs, topic-wise short questions, and complete solved exercise questions from the official PTB textbook.

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📘 Chapter Overview – Atomic Structure

In this chapter, students explore:

• Structure of atom and historical models (Dalton, Thomson, Rutherford, Bohr)
• Discovery and properties of electrons, protons, and neutrons
• Atomic number, mass number, isotopes, and ions
• Bohr’s model of the atom and energy levels
• Use of isotopes in real-life applications

This chapter helps students build a strong conceptual understanding of atomic theory, laying the groundwork for higher chemistry topics.

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✅ What’s Inside the Notes?

✔️ Topic-wise MCQs to boost exam confidence
✔️ Important Short Questions based on board patterns
✔️ Long Questions with complete explanations and diagrams
✔️ Solved Exercise Questions from the textbook
✔️ Additional Practice Questions for better preparation
✔️ Diagrams of atomic models and energy levels
✔️ Clean and downloadable PDF format

Perfect for class assessments, revision, and exam-day preparation.

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📌 Useful for All Punjab Boards:

• Lahore Board
• Gujranwala Board
• Rawalpindi Board
• Faisalabad Board
• Multan Board
• Bahawalpur Board
• Sargodha Board
• DG Khan Board
• Sahiwal Board

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🎯 Why Students Trust LastHopeStudy.com

• Syllabus matched with PTB Chemistry Book 2025–26
• Notes crafted by expert teachers with exam insight
• Ideal for Urdu & English Medium students
• Includes topic-wise key points & solved exercises
• Download once, use forever – 100% free

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📚 Get ready for success with LastHopeStudy.com – your best resource for chapter-wise board exam notes in chemistry.