Atomic Foundations of Matter in One Video | New NCERT Class 9 Chemistry 2026-27 | Nikita Ma'am

Class 9 VIP: https://unacademy.com/goal/-/TPSBK/su... 🔥 Master the complete chapter "Atomic Foundations of Matter" from the New NCERT Class 9 Chemistry 2026-27 in this one-shot session by Nikita Ma'am. -------------------------- ➡️Class 9, 10, 11, 12 subscription: https://unacademy.com/goal/cbse-class... ⏬Download Session PDF: https://unacademy.com/content/cbse/cl... 📌Telegram Channel: https://t.me/knightsclass9unacademy -------------------------- Timestamp 00:00 Introduction 00:33 Learning Objectives 00:50 Law of Conservation of Mass 02:23 Chemical Reactions 03:03 Law of Constant Proportion (Proust's Law) 05:35 Dalton's Atomic Theory 07:23 Atoms & Molecules 09:32 Octet Rule & Duplet Rule 11:20 Ionic and Covalent Compounds 12:08 Formation of Ionic Compounds (NaCl, MgO) 16:56 Formation of Covalent Compounds (H₂, O₂, N₂) 20:31 Naming of Ionic Compounds 25:38 Naming of Covalent Compounds 27:34 Properties of Ionic Compounds 28:48 Properties of Covalent Compounds 29:35 Molecular Mass & Formula Unit Mass 31:15 Homework & Conclusion #class9 #chemistry #atomic #foundation #matter #newncert #cbse2026 #oneshot #nikitamaam #ncert #class9science #unacademy #chemistryrevision #science2026