23:30
9th Class Chemistry Chapter 2 STRUCTURE OF ATOM : Introduction | New Book 2026 PCTB | Lecture 1
Innovative Science By Abiha Ijaz
17:16
DISCOVERY of ELECTRON | 9th Class Chemistry Chapter 2 | New Book 2026 | Lecture 2 Punjab Board(PCTB)
16:56
9th Class Chemistry Chapter 2 | DISCOVERY of PROTON | Lecture 3 | New Book 2026 | PCTB
12:27
DISCOVERY of NEUTRON | 9th Class Chemistry | Chapter 2 | Lecture 4 Punjab Board (PTCB) New Book
14:25
STRUCTURE OF NUCLEUS | 9th Class Chemistry Chapter 2 | Lecture 5 | Punjab Board (PCTB) New Book 2026
19:37
9th Class Chemistry Chapter 2 | BOHR's ATOMIC MODEL | Lecture 6 | New Book Punjab Board (PCTB) 2026
17:21
9th Class Chemistry Chapter 2 | ATOMIC NUMBER and MASS NUMBER | Lecture 7 | New Book 2026 | PCTB
13:54
ISOTOPES AND THEIR MASSES (Animation) 9th Class Chemistry Chapter 2 | New Book 2026 PCTB | Lecture 8
22:27
RADIOACTIVE ISOTOPES it's APPLICATION and IONIZATION due to RADIOACTIVE SOURCE 9th Class Chem Ch 2
23:35
9th Class Chemistry Chapter 2 | RELATIVE ATOMIC MASS (3D Animation) NEW BOOK 2026 Lecture 10 | PTCB
8:57
Chapter 2 Exercise MCQ's(3D Animated) New Book 2026 Class 9 Chemistry | Punjab Board (PTCB)
15:54
Chapter 2 Short Question & Constructed Response Question(Animated) 9th Class Chemistry New Book PTCB
34:14
Chapter 2 Descriptive Questions | 9th Class Chemistry | 3D Animated New Book 2026 Punjab Board(PCTB)
17:25
Chapter 2 Investigative Questions 9th Class Chemistry (3D Animated) New Book 2026 Punjab Board(PCTB)
