15:14
L-1. Introduction to Structure of Atom | Chemistry Chapter 2 | chemistry 9th Class
20:17
L-2. Structure of Atom | Chapter 2 | 9th Class Chemistry Full Lecture by Prof. Majid Ali
26:04
L-3. Discovery of Electron / Cathode Rays | Chapter 2 - 9th Chemistry | Prof. Majid Ali
15:58
L-4. Discovery of Proton | Chapter 2 | 9th Chemistry | Prof. Majid Ali (Gold Medalist)
18:50
L-5. Discovery of Proton | Chapter 2 | 9th Chemistry | Prof. Majid Ali (Gold Medalist)
18:03
L-6. Discovery of Neutron | Chapter 2 | 9th Class Chemistry
20:03
L-7. Bohr’s Atomic Model | Chapter 2 | 9th Class Chemistry | Full Lecture by Prof. Majid Ali
16:44
L-8. Atomic Number and Mass Number | 9th Class Chemistry Chapter 2 | Prof. Majid Ali
14:35
L-9. Calculation of Atomic Number and Mass Number | 9th Chemistry Chapter 2 | Prof. Majid Ali
17:07
L-10. Isotopes Explained | Class 9 Chemistry Chapter 2 | Prof. Majid Ali
20:23
L-11. Radioactive Isotopes | Class 9 Chemistry Chapter 2 | Prof. Majid Ali
18:11
L-12. Applications of Radioactive Isotopes | Chapter 2 | 9th Class Chemistry | Prof. Majid Ali
8:48
L-13. Ionization of Atom by Radioactive Source | Chapter 2 | 9th Class Chemistry | Prof. Majid Ali
18:41
L-14. Relative Atomic Mass | Chapter 2 | 9th Class Chemistry | Prof. Majid Ali
16:56
L-15. Numerical Examples | Relative Atomic Mass | Isotopic Abundance | 9th Class Chemistry