Class 9 Chemistry Unit 1 | Lecture 3 | Atomic Number, Mass Number & Relative atomic mass unit etc

Welcome to BioChem Study Corner! 📚🧪 In this Class 9 Chemistry – Unit 1, Lecture 3, we will learn important chemistry concepts with simple explanations and solved examples to make learning easier. 📖 Topics Covered in This Lecture: ✅ Atomic Number ✅ Atomic Mass ✅ Mass Number ✅ Atomic Mass Unit (a.m.u) ✅ Relative Atomic Mass ✅ Formula Mass ✅ Molecular Mass ✅ Molecular Formula ✅ Empirical Formula 🧪 Examples Included: H₂O, CO₂, CH₄, C₂H₅OH, and more! This lecture is helpful for Class 9 students who want to understand basic chemistry concepts, learn important definitions, and solve numerical problems confidently. 🎯 Our Goal: Understand concepts, learn with examples, and prepare better for exams! If you find this lecture helpful: 👍 Like the video 💬 Comment your questions 🔔 Subscribe to BioChem Study Corner for more Biology and Chemistry lectures. 📚 Learn Smart • Understand Better • Achieve More! #Class9Chemistry #ChemistryUnit1 #AtomicNumber #MassNumber #MolecularMass #EmpiricalFormula #MolecularFormula #BioChemStudyCorner