Atom | Symbol |Atoms and Molecules Chapter 3 Class 9 Science | CBSE | NCERT Atom | Symbol |Atoms and Molecules | Chapter 3 | Class 9 | Science | CBSE | NCERT 🚩 In this video we covered the following points, ✔ Atoms and Molecules Introduction Class 9 Chemistry ✔ Class: 9 CBSE NCERT ✔ Subject: Science ✔ Chapter: Atoms and Molecules ✔ Topic Name: Atoms ✔ Topics Covered : Class 9 Science, Chapter 3, Atoms and Molecules. @ChemXpert ======================================= 00:30 Intro 01:10 Definition of Atom 04:09 Size of an Atom 07:15 Symbol 08:01 Dalton Symbol of an Element 09:12 Modern Symbol of an Element 10:33 IUPAC 10:50 Guidelines for writing symbol #Class9Science #Class9Chemistry #Class9Chapter3