Скачать или смотреть L-8. Atomic Number and Mass Number | 9th Class Chemistry Chapter 2 | Prof. Majid Ali

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📚 Understand the core concepts of Atomic Number and Mass Number in this comprehensive video lecture from Chapter 2 of 9th Class Chemistry. Prof. Majid Ali (Gold Medalist) explains the fundamentals of atoms, protons, neutrons, and electrons in a way that’s easy to understand and 100% aligned with the Punjab Board and other Matric Boards of Pakistan.

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📌 What You’ll Learn in This Lecture:
• What is Atomic Number (Z)?
• What is Mass Number (A)?
• Difference between protons, neutrons, and electrons
• Relationship between atomic number and element identity
• How to calculate number of neutrons using:
N = A - Z
• Symbol representation of elements like Oxygen (₈¹⁶O) and Carbon (₆¹²C)
• Importance of fundamental particles in element identification
• Relevance in periodic table positioning

This video is perfect for board exam preparation, concept clarity, and competitive exam readiness.

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👨‍🏫 Teacher: Prof. Majid ALI (Gold Medalist)

📺 Watch All Lectures Here:
🔗    / @mjdchemistry9241  

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