Bohr's Atomic Model | Shells and Subshells | 9 Chemistry Chapter 2 | 9th Chemistry New Book -Asim

Описание: Bohr’s Atomic Model – Shells and Subshells | Class 9 Chemistry Chapter 2 (New Book 2024)
In this video, we explain:
🔹 Bohr’s postulates about atomic structure
🔹 Arrangement of electrons in shells (K, L, M, N)
🔹 Concept of subshells (s, p, d, f)
🔹 Importance of Bohr’s model in modern chemistry

This lecture is based on 9th Chemistry Chapter 2: Atomic Structure, as per the New Book 2024 for Board Exams 2025.

00:00 Introduction
00:29 What are orbits or shells ?
03:39 Ground state of the atom
04:44 Energy of shells or energy level
06:12 Sub shells or orbitals.
10:50 Location of Electronic Clouds around nucleus
12:04 Number of electrons in shells and 2n2 formula
15:00 Number of electrons in sub shells

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