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---

# Chemistry Part - I

Chemistry Part - I is a CBSE Class 11 book for the subject Chemistry on Edzy.

## Knowledge Snapshot

| Field         | Details                          |
| :------------ | :------------------------------- |
| Board         | CBSE        |
| Curriculum    | CBSE   |
| Class         | Class 11 |
| Subject       | Chemistry  |
| Book          | Chemistry Part - I     |
| Book Slug     | chemistry-part-i         |
| Chapter Count | 6 |
| Topic Count   | 46   |
| Last Updated  | 2026-06-24  |

## Book Overview

This book belongs to Class 11 and the subject Chemistry under the CBSE curriculum. It encompasses 6 chapters with a total of 46 topics arranged in a structured knowledge format.

## OKF Hierarchy

| Level   | Title                            | Canonical URL                           | Markdown URL                            |
| :------ | :------------------------------- | :-------------------------------------- | :-------------------------------------- |
| Class   | Class 11 | https://www.edzy.ai/cbse-class-11   | https://www.edzy.ai/okf/class/cbse-class-11.md   |
| Subject | Chemistry  | https://www.edzy.ai/cbse-class-11-chemistry | https://www.edzy.ai/okf/subject/cbse-class-11-chemistry.md |
| Book    | Chemistry Part - I     | https://www.edzy.ai/cbse-class-11-chemistry-chemistry-part-i        | https://www.edzy.ai/okf/book/cbse-class-11-chemistry-chemistry-part-i.md        |

## Chapter Index

| No.             | Chapter         | Pages                                     | Page Count                | Topics                             | Canonical URL           | Markdown URL           |
| :-------------- | :-------------- | :---------------------------------------- | :------------------------ | :--------------------------------- | :---------------------- | :--------------------- |
| 1               | Some Basic Concepts of Chemistry | 1-28 | 28 | 7 | https://www.edzy.ai/cbse-class-11-chemistry-chemistry-part-i-some-basic-concepts-of-chemistry | https://www.edzy.ai/okf/chapter/cbse-class-11-chemistry-chemistry-part-i-some-basic-concepts-of-chemistry.md |
| 2               | Structure of Atom | 29-73 | 45 | 6 | https://www.edzy.ai/cbse-class-11-chemistry-chemistry-part-i-structure-of-atom | https://www.edzy.ai/okf/chapter/cbse-class-11-chemistry-chemistry-part-i-structure-of-atom.md |
| 3               | Classification of Elements and Periodicity in Properties | 74-99 | 26 | 7 | https://www.edzy.ai/cbse-class-11-chemistry-chemistry-part-i-classification-of-elements-and-periodicity-in-properties | https://www.edzy.ai/okf/chapter/cbse-class-11-chemistry-chemistry-part-i-classification-of-elements-and-periodicity-in-properties.md |
| 4               | Chemical Bonding and Molecular Structure | 100-135 | 36 | 8 | https://www.edzy.ai/cbse-class-11-chemistry-chemistry-part-i-chemical-bonding-and-molecular-structure | https://www.edzy.ai/okf/chapter/cbse-class-11-chemistry-chemistry-part-i-chemical-bonding-and-molecular-structure.md |
| 5               | Thermodynamics | 136-167 | 32 | 7 | https://www.edzy.ai/cbse-class-11-chemistry-chemistry-part-i-thermodynamics | https://www.edzy.ai/okf/chapter/cbse-class-11-chemistry-chemistry-part-i-thermodynamics.md |
| 6               | Equilibrium | 168-228 | 61 | 11 | https://www.edzy.ai/cbse-class-11-chemistry-chemistry-part-i-equilibrium | https://www.edzy.ai/okf/chapter/cbse-class-11-chemistry-chemistry-part-i-equilibrium.md |

## Chapter Source Index

| No.             | Chapter         | Source PDF  |
| :-------------- | :-------------- | :---------- |
| 1               | Some Basic Concepts of Chemistry | https://edzy-ai.s3.ap-south-1.amazonaws.com/edzy-express-ts/f294f220-85f6-4f9e-9111-c3cb11cd96c5.pdf |
| 2               | Structure of Atom | https://edzy-ai.s3.ap-south-1.amazonaws.com/edzy-express-ts/62f64a9c-f596-488d-b23f-6c9c6a868a97.pdf |
| 3               | Classification of Elements and Periodicity in Properties | https://edzy-ai.s3.ap-south-1.amazonaws.com/edzy-express-ts/162e1fec-7926-49c4-b12b-ccc8f16499b8.pdf |
| 4               | Chemical Bonding and Molecular Structure | https://edzy-ai.s3.ap-south-1.amazonaws.com/edzy-express-ts/3fa64339-554c-456b-854b-6cf694ff5a1f.pdf |
| 5               | Thermodynamics | https://edzy-ai.s3.ap-south-1.amazonaws.com/edzy-express-ts/84bb4180-34a9-42f0-9e16-91d5c9fca3e3.pdf |
| 6               | Equilibrium | https://edzy-ai.s3.ap-south-1.amazonaws.com/edzy-express-ts/ab23d58e-5cf1-4ce1-9611-40382f37d796.pdf |

## Topic Inventory

| No. | Topic ID               | Topic                            |
| :-- | :--------------------- | :------------------------------- |
| 1   | 69abcc76a243cecf96852572 | Importance of Chemistry |
| 2   | 69abcc76a243cecf96852574 | Nature of Matter |
| 3   | 69abcc76a243cecf96852576 | Properties of Matter and Their Measurement |
| 4   | 69abcc76a243cecf96852578 | Laws of Chemical Combinations |
| 5   | 69abcc76a243cecf9685257a | Dalton's Atomic Theory |
| 6   | 69abcc76a243cecf9685257c | Atomic and Molecular Masses |
| 7   | 69abcc76a243cecf9685257e | Stoichiometry and Stoichiometric Calculations |
| 8   | 69abcc8aa243cecf96852a71 | Discovery of Sub-Atomic Particles |
| 9   | 69abcc8aa243cecf96852a73 | Atomic Models |
| 10  | 69abcc8aa243cecf96852a75 | Developments Leading to the Bohr Model of Atom |
| 11  | 69abcc8aa243cecf96852a78 | Bohr’s Model for Hydrogen Atom |
| 12  | 69abcc8aa243cecf96852a80 | Towards Quantum Mechanical Model of the Atom |
| 13  | 69abcc8aa243cecf96852a83 | Quantum Mechanical Model of Atom |
| 14  | 69abcc3da243cecf968517d9 | Why do we need to classify elements? |
| 15  | 69abcc3da243cecf968517db | Genesis of periodic classification |
| 16  | 69abcc3da243cecf968517dd | Modern periodic law and the present form of the periodic table |
| 17  | 69abcc3da243cecf968517df | Nomenclature of elements with atomic numbers > 100 |
| 18  | 69abcc3da243cecf968517e1 | Electronic configurations of elements and the periodic table |
| 19  | 69abcc3da243cecf968517e3 | Trends in physical properties |
| 20  | 69abcc3da243cecf968517e5 | Periodic trends in chemical properties |
| 21  | 69abccdda243cecf96853df8 | KÖSSEL-LEWIS APPROACH TO CHEMICAL BONDING |
| 22  | 69abccdda243cecf96853dfb | IONIC OR ELECTROVALENT BOND |
| 23  | 69abccdda243cecf96853e01 | BOND PARAMETERS |
| 24  | 69abccdda243cecf96853e05 | VALENCE SHELL ELECTRON PAIR REPULSION (VSEPR) THEORY |
| 25  | 69abccdda243cecf96853e09 | VALENCE BOND THEORY |
| 26  | 69abccdda243cecf96853e0b | HYBRIDISATION |
| 27  | 69abccdda243cecf96853e0d | MOLECULAR ORBITAL THEORY |
| 28  | 69abccdda243cecf96853e0f | HYDROGEN BONDING |
| 29  | 69abccb8a243cecf968535ef | Thermodynamic Terms |
| 30  | 69abccb8a243cecf968535f1 | Applications |
| 31  | 69abccb8a243cecf968535f3 | Measurement of ∆U and ∆H: Calorimetry |
| 32  | 69abccb8a243cecf968535f5 | Enthalpy change, ∆rH for a reaction – Reaction Enthalpy |
| 33  | 69abccb8a243cecf968535f7 | Enthalpies for different Types of Reactions |
| 34  | 69abccb8a243cecf968535f9 | Spontaneity |
| 35  | 69abccb8a243cecf968535fb | Gibbs Energy Change and Equilibrium |
| 36  | 69abccfda243cecf96854c2d | Equilibrium in Physical Processes |
| 37  | 69abccfda243cecf96854c40 | Buffer Solutions |
| 38  | 69abccfda243cecf96854c42 | Solubility Equilibria of Sparingly Soluble Salts |
| 39  | 69abccfda243cecf96854c30 | Equilibrium in Chemical Processes - Dynamic Equilibrium |
| 40  | 69abccfda243cecf96854c32 | Law of Chemical Equilibrium and Equilibrium Constant |
| 41  | 69abccfda243cecf96854c34 | Homogeneous Equilibria |
| 42  | 69abccfda243cecf96854c36 | Heterogeneous Equilibria |
| 43  | 69abccfda243cecf96854c38 | Factors Affecting Equilibria |
| 44  | 69abccfda243cecf96854c3a | Ionic Equilibrium in Solution |
| 45  | 69abccfda243cecf96854c3c | Acids, Bases and Salts |
| 46  | 69abccfda243cecf96854c3e | Common Ion Effect in the Ionization of Acids and Bases |

## Chapter-Wise Topic Map

### Some Basic Concepts of Chemistry

| No. | Topic ID               | Topic                            |
| :-- | :--------------------- | :------------------------------- |
| 1   | 69abcc76a243cecf96852572 | Importance of Chemistry |
| 2   | 69abcc76a243cecf96852574 | Nature of Matter |
| 3   | 69abcc76a243cecf96852576 | Properties of Matter and Their Measurement |
| 4   | 69abcc76a243cecf96852578 | Laws of Chemical Combinations |
| 5   | 69abcc76a243cecf9685257a | Dalton's Atomic Theory |
| 6   | 69abcc76a243cecf9685257c | Atomic and Molecular Masses |
| 7   | 69abcc76a243cecf9685257e | Stoichiometry and Stoichiometric Calculations |

### Structure of Atom

| No. | Topic ID               | Topic                            |
| :-- | :--------------------- | :------------------------------- |
| 1   | 69abcc8aa243cecf96852a71 | Discovery of Sub-Atomic Particles |
| 2   | 69abcc8aa243cecf96852a73 | Atomic Models |
| 3   | 69abcc8aa243cecf96852a75 | Developments Leading to the Bohr Model of Atom |
| 4   | 69abcc8aa243cecf96852a78 | Bohr’s Model for Hydrogen Atom |
| 5   | 69abcc8aa243cecf96852a80 | Towards Quantum Mechanical Model of the Atom |
| 6   | 69abcc8aa243cecf96852a83 | Quantum Mechanical Model of Atom |

### Classification of Elements and Periodicity in Properties

| No. | Topic ID               | Topic                            |
| :-- | :--------------------- | :------------------------------- |
| 1   | 69abcc3da243cecf968517d9 | Why do we need to classify elements? |
| 2   | 69abcc3da243cecf968517db | Genesis of periodic classification |
| 3   | 69abcc3da243cecf968517dd | Modern periodic law and the present form of the periodic table |
| 4   | 69abcc3da243cecf968517df | Nomenclature of elements with atomic numbers > 100 |
| 5   | 69abcc3da243cecf968517e1 | Electronic configurations of elements and the periodic table |
| 6   | 69abcc3da243cecf968517e3 | Trends in physical properties |
| 7   | 69abcc3da243cecf968517e5 | Periodic trends in chemical properties |

### Chemical Bonding and Molecular Structure

| No. | Topic ID               | Topic                            |
| :-- | :--------------------- | :------------------------------- |
| 1   | 69abccdda243cecf96853df8 | KÖSSEL-LEWIS APPROACH TO CHEMICAL BONDING |
| 2   | 69abccdda243cecf96853dfb | IONIC OR ELECTROVALENT BOND |
| 3   | 69abccdda243cecf96853e01 | BOND PARAMETERS |
| 4   | 69abccdda243cecf96853e05 | VALENCE SHELL ELECTRON PAIR REPULSION (VSEPR) THEORY |
| 5   | 69abccdda243cecf96853e09 | VALENCE BOND THEORY |
| 6   | 69abccdda243cecf96853e0b | HYBRIDISATION |
| 7   | 69abccdda243cecf96853e0d | MOLECULAR ORBITAL THEORY |
| 8   | 69abccdda243cecf96853e0f | HYDROGEN BONDING |

### Thermodynamics

| No. | Topic ID               | Topic                            |
| :-- | :--------------------- | :------------------------------- |
| 1   | 69abccb8a243cecf968535ef | Thermodynamic Terms |
| 2   | 69abccb8a243cecf968535f1 | Applications |
| 3   | 69abccb8a243cecf968535f3 | Measurement of ∆U and ∆H: Calorimetry |
| 4   | 69abccb8a243cecf968535f5 | Enthalpy change, ∆rH for a reaction – Reaction Enthalpy |
| 5   | 69abccb8a243cecf968535f7 | Enthalpies for different Types of Reactions |
| 6   | 69abccb8a243cecf968535f9 | Spontaneity |
| 7   | 69abccb8a243cecf968535fb | Gibbs Energy Change and Equilibrium |

### Equilibrium

| No. | Topic ID               | Topic                            |
| :-- | :--------------------- | :------------------------------- |
| 1   | 69abccfda243cecf96854c2d | Equilibrium in Physical Processes |
| 2   | 69abccfda243cecf96854c40 | Buffer Solutions |
| 3   | 69abccfda243cecf96854c42 | Solubility Equilibria of Sparingly Soluble Salts |
| 4   | 69abccfda243cecf96854c30 | Equilibrium in Chemical Processes - Dynamic Equilibrium |
| 5   | 69abccfda243cecf96854c32 | Law of Chemical Equilibrium and Equilibrium Constant |
| 6   | 69abccfda243cecf96854c34 | Homogeneous Equilibria |
| 7   | 69abccfda243cecf96854c36 | Heterogeneous Equilibria |
| 8   | 69abccfda243cecf96854c38 | Factors Affecting Equilibria |
| 9   | 69abccfda243cecf96854c3a | Ionic Equilibrium in Solution |
| 10  | 69abccfda243cecf96854c3c | Acids, Bases and Salts |
| 11  | 69abccfda243cecf96854c3e | Common Ion Effect in the Ionization of Acids and Bases |

## Important Book Facts

* The book belongs to Class 11.
* The subject is Chemistry.
* The board is CBSE.
* The curriculum is CBSE.
* The book contains 6 supplied chapters.
* The metadata contains 46 supplied topics.

## Related OKF Entities

| Entity Type | Title                            | Markdown URL                            |
| :---------- | :------------------------------- | :-------------------------------------- |
| Class       | Class 11 | https://www.edzy.ai/okf/class/cbse-class-11.md   |
| Subject     | Chemistry  | https://www.edzy.ai/okf/subject/cbse-class-11-chemistry.md |
| Chapter     | Some Basic Concepts of Chemistry | https://www.edzy.ai/okf/chapter/cbse-class-11-chemistry-chemistry-part-i-some-basic-concepts-of-chemistry.md |
| Chapter     | Structure of Atom | https://www.edzy.ai/okf/chapter/cbse-class-11-chemistry-chemistry-part-i-structure-of-atom.md |
| Chapter     | Classification of Elements and Periodicity in Properties | https://www.edzy.ai/okf/chapter/cbse-class-11-chemistry-chemistry-part-i-classification-of-elements-and-periodicity-in-properties.md |
| Chapter     | Chemical Bonding and Molecular Structure | https://www.edzy.ai/okf/chapter/cbse-class-11-chemistry-chemistry-part-i-chemical-bonding-and-molecular-structure.md |
| Chapter     | Thermodynamics | https://www.edzy.ai/okf/chapter/cbse-class-11-chemistry-chemistry-part-i-thermodynamics.md |
| Chapter     | Equilibrium | https://www.edzy.ai/okf/chapter/cbse-class-11-chemistry-chemistry-part-i-equilibrium.md |

## Source Attribution

| Field          | Value                            |
| :------------- | :------------------------------- |
| Source         | Edzy                             |
| Reference Type | examSubjectBook                |
| Reference ID   | 66ae541b191fdf5766655b76                  |
| Book ID        | 66ae541b191fdf5766655b76          |
| Canonical URL  | https://www.edzy.ai/cbse-class-11-chemistry-chemistry-part-i |
| Markdown URL   | https://www.edzy.ai/okf/book/cbse-class-11-chemistry-chemistry-part-i.md |
| Last Updated   | 2026-06-24  |