Скачать или смотреть Grade 9 Chemistry|Unit 2 Lecture 4 |Electronic Configuration Made EASY ⚡ | Full Concept + Diagram |

Electronic Configuration tells us how electrons are arranged around the nucleus of an atom ⚛️.
In this lecture, you’ll learn shells, energy levels, rules, and examples in the simplest way — perfect for Grade 9 Chemistry students 📘.
✔️ Easy explanation
✔️ Flow diagram based learning
✔️ Exam-oriented concepts
✔️ Numericals made simple
🎯 Watch till the end to master electronic configuration forever!

Key Concepts Covered
🔹 What is Electronic Configuration
🔹 Shells (K, L, M, N)
🔹 Maximum electrons formula (2n²)
🔹 Valence shell & valence electrons
🔹 Writing electronic configuration of elements
🔹 Importance in chemical bonding

⚛️ ATOM
⬇️
🧲 Nucleus (Protons + Neutrons)
⬇️
⚡ Electrons
⬇️
🌀 Shells / Energy Levels
⬇️
📌 K → L → M → N
⬇️
🧮 Formula: 2n²
⬇️
📝 Electronic Configuration
⬇️
🤝 Chemical Bonding

Why This Topic is IMPORTANT?
⭐ Helps predict chemical reactions
⭐ Explains valency
⭐ Base of bonding & periodic table
⭐ Very important for exams & MCQs

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