Molecule class 9 Chemistry Sindhboard | Chapter 1 Fundamentals of Chemistry | Molecule in Urdu L 7

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Molecule class 9 Chemistry Sindhboard | Chapter 1 Fundamentals of Chemistry | Molecule in Urdu L 7

Molecule | Class 9 Chemistry | Sindh Board

📘 Class 9 Chemistry – Chapter 1: Fundamentals of Chemistry
🎓 Topic: Molecule | Urdu Explanation | Sindh Board

In this video, we explain the concept of molecule in a simple and easy way for Class 9 students (Sindh Board). You will learn:

What is a Molecule?
🔍 Difference between Atom and Molecule
🔍 Types of Molecules:

Element molecules (e.g., O₂, H₂)

Compound molecules (e.g., H₂O, CO₂)
🔍 Importance of Molecules in Chemistry

🧪 Molecules are formed when two or more atoms combine chemically. They are the smallest unit of a substance that can exist independently and still have the same properties of that substance.

What is a Molecule?

A molecule is the smallest particle of a substance that can exist independently and still have all the properties of that substance.

It is made up of two or more atoms that are chemically bonded together.

Examples of Molecules:

TypeExampleExplanationElement MoleculeO₂Two oxygen atoms bonded (oxygen gas)Compound MoleculeH₂OTwo hydrogen + one oxygen atom (water)Simple MoleculeH₂Two hydrogen atomsComplex MoleculeC₆H₁₂O₆Glucose – made

Types of Molecules:

Molecule of an Element:
Made from same type of atoms
👉 Example: O₂, H₂, N₂

Molecule of a Compound:
Made from different types of atoms
👉 Example: H₂O, CO₂, NH₃

Types of Molecules Based on Number of Atoms

Molecules can be classified according to the number of atoms they contain. These are:

1. Monoatomic Molecule (1 atom)

Consists of only one atom

Usually noble gases

✅ Examples:

Helium → He

Neon → Ne

Argon → Ar

2. Diatomic Molecule (2 atoms)

Made of two atoms, which may be the same or different

✅ Examples:

O₂ Oxygen (same atoms)

HCl Hydrogen chloride (different atoms)

Polyatomic molecule

✅ Examples:

CH₄ Methane (5 atoms)

CO₂ Carbon dioxide (3 atoms –

Language: Urdu
📚 Board: Sindh Board – SSC Part 1 (Class 9)

💡 Ideal for:

Class 9 students

Chemistry beginners

Exam & test preparation

Molecule | Class 9 Chemistry (Sindh Board)

What is a Molecule? | Class 9 Chemistry | Sindh Board Urdu Lecture

Molecule Explained with Examples | Chemistry Chapter 1 | Class 9 SSC Part 1

Molecule | Class 9 Chemistry in Urdu | Fundamentals of Chemistry

Difference Between Atom and Molecule | Class 9 Chemistry | Urdu Explanation

Molecule Kya Hota Hai? | Urdu Medium Chemistry | Class 9 Sindh Board

Types of Molecules | Chemistry Class 9 | SSC Part 1 Urdu Lecture

Molecule Full Concept | Class 9 Chemistry | Sindh Board Science Urdu

Class 9 Chapter 1: Molecule | Urdu Explanation | Chemistry Basics

Molecule | Fundamentals of Chemistry | 9th Class Science Urdu Lecture

Easy Explanation of Molecule | Chemistry Class 9 | Urdu + English Mix

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