Periodic Classification of Elements
📘 Chapter 5: Periodic Classification of Elements – Class 10 Science Notes 🔷 I. Historical Background 1. Döbereiner’s Triads (1817) Grouped elements into triads (groups of 3 elements with similar…
Carbon and Its Compounds – Class 10 Science
📘 Chapter 4: Carbon and Its Compounds – Class 10 Science Notes 🔷 I. Introduction to Carbon Carbon (C) is a versatile element found in all living organisms. Atomic Number…
Metals and Non-metals (CBSE Class 10 Science)
📘 Chapter 3: Metals and Non-metals – CBSE Class 10 Science 🔷 I. Physical Properties PropertyMetalsNon-MetalsLustreShiny (e.g., gold, copper)Dull (except iodine)MalleabilityCan be beaten into sheetsBrittle, break on hammeringDuctilityCan be drawn…
Acids, Bases and Salts (CBSE Class 10 Science)
📘 Chapter 2: Acids, Bases and Salts (CBSE Class 10 Science – Full Notes) 🔷 I. Introduction Substances are categorized as Acids, Bases, or Salts based on their chemical properties,…
Chemical Reactions and Equation
📘 Chapter 1: Chemical Reactions and Equations (Class 10 Science – Full Notes) 🔷 I. Introduction A chemical reaction is a process in which new substances with new properties are…
Chemical Bonding
1. Introduction to Chemical Bonding Atoms combine with each other to form molecules and compounds in order to attain a stable electronic configuration, usually that of the nearest noble gas…