Скачать или смотреть Class 7 Science | Structure of an Atom | How to find Atomic Number, Mass Number | IBA JST 2025

In this video, we explain Class 7 Science Chapter 6 – Structure of an Atom in an easy and clear way. This lecture helps students understand how to find atomic number, mass number, number of protons, neutrons, and electrons using simple rules and examples.

This lesson is very important for Class 7 students, Sindh Textbook Board, and especially for those preparing for IBA JST 2025, JEST, and other teaching or competitive exams. The worksheet-based explanation makes numericals easy and concept-clear.

📘 Topics covered in this video:
• What is atomic number
• What is mass number
• Number of protons in an atom
• Number of neutrons in an atom
• Number of electrons in an atom
• Solving worksheet questions step by step

🎯 Best for:
• Class 7 Science students
• Sindh Board students
• IBA JST & JEST preparation 2025
• Teachers and beginners
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