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ICSE Class 11 Chemistry — Revision Notes

ICSE Class 11 Chemistry revision notes, chapter by chapter across 9 chapters. Follows the ICSE / ISC 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 — 9 Chapters

1

Some Basic Concepts of Chemistry

4 topics
  • 1. Nature and Scope of Chemistry
  • 2. Matter: Classification and Properties
  • 3. Measurement, Units, Accuracy, Precision, and Significant Figures
  • 4. Laws of Chemical Combination
Chemistry studies materialsMatter has mass and occupies volumePhysical properties can be observed withoutSignificant figures show the precisionThe law of conservation of mass
Read the Some Basic Concepts of Chemistry notes
2

Structure of Atom

4 topics
  • 1. Fundamental Particles and Early Atomic Ideas
  • 2. Atomic Number, Mass Number, Isotopes and Isobars
  • 3. Nature of Light and Electromagnetic Radiation
  • 4. Planck's Theory and Photoelectric Effect
Matter was first viewed as beingAn electron is a negatively chargedA proton is a positively chargedA neutron is electrically neutralRutherford’s alpha
Read the Structure of Atom notes
3

Classification of Elements and Periodicity in Properties

4 topics
  • 1. Need for Classification and Early Attempts
  • 2. Mendeleev's Periodic Law and Table
  • 3. Modern Periodic Law and Long Form Periodic Table
  • 4. Blocks of the Periodic Table and Electronic Configuration
Elements form many compoundsProut proposed the unitary theoryThe physical and chemical propertiesThe physical and chemical propertiesThe long form periodic table has
Read the Classification of Elements and Periodicity in Properties notes

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Frequently Asked Questions

Where can I find ICSE Class 11 Chemistry Revision Notes?

This page has revision notes for 9 chapters of ICSE 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

9 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

Chemical Thermodynamics

6

Equilibrium

7

Redox Reactions

8

Organic Chemistry: Some Basic Principles and Techniques

9

Hydrocarbons

More Chemistry Resources

ICSE 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

Study Plan

Week-by-week preparation schedule

Flashcards

Quick-fire cards for active recall practice

Syllabus

Chapter list and the topics in each

Other ICSE Class 11 Subjects

PhysicsMathematicsBiologyAccountancyBusiness StudiesEconomicsHistoryGeography