CBSE Class 9
Free courses
Science
Matter - Nature & Behaviour
Lesson 4 of 6 • 0 upvotes • 6:29mins
Lesson 4 What is a Molecule,what is an ions , atomicity of some elements,some Ionic compounds
6 lessons • 54m
Overview (in Hindi)
1:53mins
Discovery of Atom (in Hindi)
11:06mins
What is an Atom (in Hindi)
9:18mins
What is a Molecule (in Hindi)
6:29mins
Writing Chemical Formulae (in Hindi)
11:53mins
Lesson 6, molecular mass and mole concept
13:39mins