Class 11 Chemistry: Some Basic Concepts of Chemistry Class 11 Chemistry: Some Basic Concepts of Chemistry Chemistry , often called the "central science," lays the foundation for understanding the natural world. This article provides a comprehensive guide to Chapter 1 – Some Basic Concepts of Chemistry , designed to engage and educate students with examples and practical applications. Quick Navigation Introduction What is Chemistry? Laws of Chemical Combination Dalton’s Atomic Theory Concept of Atomic and Molecular Mass Significance of Avogadro’s Number Stoichiometry and Stoichiometric Calculations Empirical and Molecular Formula Chemical Reactions and Types Limiting Reagent Concentration Terms in Solutions Significance of Uncertainty in Measurement Scientific Notation and...