سلام به همه
 عید غدیر مبارک
 
Chapter 2 - Rutherford's Experiment
Chapter 3 - Limiting Reagent
Chapter 4 - Molecular View
Chapter 5 - Properties of Gases
Chapter 7 - Line Spectra
Chapter 8 - Atomic Radii
Chapter 10 - Hybridization

Chapter 11
1 - Vapor Pressure
2 - Sphere Packing - Simple Cubic Packing
3 - Sphere Packing - Body Centered Cubic Packing
4 - Sphere Packing - Cubic Close Packing

Chapter 14
1 - Activation Energy1 - Activation Energy
2 - Orientation of Collision
Chapter 15 - Le Chatelier's Principle
Chapter 16 - Acid Ionization
Chapter 17 - Buffers
Chapter 20 - Galvanic Cell
Chapter 21 - Radioactive Decay