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Punjab Board Class 11 Chemistry — Revision Notes

Punjab Board Class 11 Chemistry revision notes, chapter by chapter across 5 chapters. Follows the PSEB syllabus.

How to Revise Effectively

  • Active recall: cover the notes, try to recall the key points, then check.
  • Spaced repetition: revise each chapter again after a day, then after a few days, then after a week or two.
  • Write, don't just read: writing key points and formulas out by hand helps them stick.
  • Teach someone: explaining an idea to a friend is a good test of whether you understand it.

Chapter-Wise Revision Notes — 5 Chapters

1

Some Basic Concepts of Chemistry

4 topics
  • 1. Nature of Matter
  • 2. Properties of Matter and Their Measurement (SI Units)
  • 3. Uncertainty in Measurement: Scientific Notation and Significant Figures
  • 4. Laws of Chemical Combination
Matter exists in three physical statesMatter is classified into pure substancesThe SI system provides seven baseFive fundamental laws govern how substancesAtomic mass (measured in atomic mass
Read the Some Basic Concepts of Chemistry notes
2

Structure of Atom

4 topics
  • Discovery of Sub-Atomic Particles
  • Atomic Models – Thomson, Rutherford, and Their Drawbacks
  • Electromagnetic Radiation and Planck's Quantum Theory
  • Atomic Spectra and Bohr's Model of Hydrogen Atom
Atoms consist of three fundamental particlesProposed in 1898Based on alpha particle scattering experimentsAtomic number (Z) = numberIsotopes are atoms of same element
Read the Structure of Atom notes
3

Classification of Elements and Periodicity in Properties

4 topics
  • Historical Development of the Periodic Table
  • Modern Periodic Table – Structure and Organisation
  • IUPAC Nomenclature of Elements with Z > 100
  • Electronic Configurations and Blocks of Elements
The Periodic Law states that 'theThe modern Periodic Table consistsThe periodic nature of elements directlyElements are classified based onAtomic radius generally decreases across
Read the Classification of Elements and Periodicity in Properties notes

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Frequently Asked Questions

Where can I find Punjab Board Class 11 Chemistry Revision Notes?

This page has revision notes for 5 chapters of Punjab Board Class 11 Chemistry for the 2026-27 session. Each chapter links to its own page with the full set.

Go through the syllabus first, then work chapter by chapter: learn the ideas, practise questions, and revise with notes and flashcards. Leave time at the end to revise every chapter once more under timed conditions.

Browse Revision Notes by Chapter

5 chapters

1

Some Basic Concepts of Chemistry

2

Structure of Atom

3

Classification of Elements and Periodicity in Properties

4

Chemical Bonding and Molecular Structure

5

Thermodynamics

More Chemistry Resources

Punjab Board Class 11

Practice Quiz

Test yourself with quick quizzes

Important Questions

Exam-style questions with answers

Formula Sheet

The formulas of each chapter in one place

Chapter Summary

Understand each chapter at a glance

Concept Maps

Diagrams showing how topics connect

Flashcards

Quick-fire cards for active recall practice

Syllabus

Chapter list and the topics in each

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