Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 9th
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Science Class 9th SSLC (English Medium) Tamil Nadu Board of Secondary Education Topics and Syllabus

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Tamil Nadu Board of Secondary Education Syllabus For Class 9th Science: Knowing the Syllabus is very important for the students of Class 9th. Shaalaa has also provided a list of topics that every student needs to understand.

The Tamil Nadu Board of Secondary Education Class 9th Science syllabus for the academic year 2021-2022 is based on the Board's guidelines. Students should read the Class 9th Science Syllabus to learn about the subject's subjects and subtopics.

Students will discover the unit names, chapters under each unit, and subtopics under each chapter in the Tamil Nadu Board of Secondary Education Class 9th Science Syllabus pdf 2021-2022. They will also receive a complete practical syllabus for Class 9th Science in addition to this.

Academic year:

Tamil Nadu Board of Secondary Education Class 9th Science Revised Syllabus

Tamil Nadu Board of Secondary Education Class 9th Science and their Unit wise marks distribution

Tamil Nadu Board of Secondary Education Class 9th Science Course Structure 2021-2022 With Marking Scheme

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Syllabus

1 Measurement
2 Motion
3 Fluids
4 Electric Charge and Electric Current
5 Magnetism and Electromagnetism
6 Light
7 Heat
8 Sound
10 Matter Around Us
11 Atomic Structure
12 Periodic Classification of Elements
13 Chemical Bonding
  • Chemical Bond 
    • Bond
    • Chemical bond
    • Kossel – Lewis approach to chemical bonds
    • Lewis dot structure
  • Types of Chemical Bond 
  • Electrovalent (or Ionic) Bond 
    • Ionic Bond
    • Electrovalent Bond
    • Electronegativity and Ionic Bonding
    • Ionic Bond Properties
    • Characteristics of Ionic compounds
    • Examples of Ionic Bonds
  • Formation of an Electrovalent (or Ionic) Bond 
    • Conditions for the formation of an electrovalent (or ionic) bond
    • Why Are Ionic Compounds Stable?
    • Structures of some electrovalent compounds
    1. Sodium chloride (NaCl) 
    2. Magnesium chloride (MgCl2
    3. Calcium oxide (CaO)
  • The Covalent Bond 
    • Covalent Bond
    • Covalent Bonding can be Achieved in two Ways
    • Covalent Bonding in Carbon Atom
    • Properties of Covalent Bond
    • Polar Covalent Bond
    • Non-polar Covalent Bond
    • Polarization of Covalent Bonds
  • Formation of Covalent Bond 
    • Formation of Covalent Bond:
    1. Hydrogen molecule (Non-polar compound)
    2. Chlorine molecule (Non-polar compound)
    3. Oxygen molecule (non-polar compound)
    4. Nitrogen molecule (Non-polar compound)
    5. Hydrogen chloride (polar compound)
    6. Water molecule (polar compound)
    7. Ammonia molecule (polar compound)
    8. Carbon tetrachloride molecule (Non-polar compound)
    9. Methane molecule (Non-polar compound)
  • Fajan’s Rule 
  • Coordinate Bond 
    • Coordinate Bond
    • Characteristics of coordinate covalent compounds
  • Formation of Coordinate Bond 
    • Conditions for the formation of coordinate bond
    • Formation of coordinate bond
    1. Formation of H3O+ ion and lone pair effect of oxygen atom
    2. Formation of Ammonium ion (NH4+) and Lone Pair Effect of Nitrogen Atom
    3. Formation of hydroxyl ion (OH-)
  • Oxidation, Reduction and Redox Reactions 
    • Oxidation
    • Reduction
    • Redox Reactions
    • Oxidising agents and Reducing agents
    • Oxidation reactions in daily life
    • Oxidation number
14 Acids, Bases and Salts
16 Applied Chemistry
18 Organisation of Tissues
19 Plant Physiology
20 Organ Systems in Animals
22 World of Microbes
23 Economic Biology
24 Environmental Science
25 Computer – LibreOffice Impress
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