Tiêu đề IX Chemistry & IX Biology Module 1.pdf ✅

TERM – 1 INDEX Sr. No. Chapter Name Page No. 1. Matter in Our Surroundings 1 - 46  Matter  Physical nature of matter  Characteristics of particles of matter  States of matter  Can matter change its state?  Effect of change of temperature  Effect of change of pressure  Evaporation  Factors affecting evaporation  How does evaporation cause cooling?  Type of matter: pure substance, impure substance (mixture)  Solutions  Concentration of a solution  Properties of a suspension  Colloidal solution  Separating the components of a mixture supply of drinking water in a city  Physical and chemical changes  Types of pure substances 2. Language of Chemistry 47 - 79  Symbol of an element  Atoms and molecules  Atomicity  Atomic weight  Gram atomic weight  Isotopes  Molecular weight  Valency  Nomenclature of ionic compounds  Nomenclature of covalent compounds  Valency chart  Oxidation number  Chemical formula  Chemical equations  Type of chemical changes/reactions