9th chemistry topic exercise video lectures

Chemistry Chapter 1 Topics

• Introduction
• 1.1 Branches of Chemistry
• 1.2 Basic Definitions
• 1.2.1 Atomic Number and Mass Number
• 1.2.1.2 Compound Chemistry
• 1.2.3 Relative Atomic Mass
• 1.2.4 Chemical Formula
• 1.2.4.2 Molecular Formula
• 1.2.5 Molecular Mass
• 1.2.5.1 Formula Mass
• 1.3 Chemical Species
• 13.2 Types of Molecules
• 1.4 Gram Atomic Mass
• 1.5 Avogadro's Number
• 1.6 Chemical Calculations
• Exercise