CBSE Class 9
Free courses
Science
Matter - Nature & Behaviour
Lesson 3 of 8 • 3 upvotes • 9:30mins
Structure of an atom
8 lessons • 1h 17m
Atoms and Molecules
11:34mins
Molecular Mass and Questions
8:43mins
Structure of an Atom
9:30mins
Rutherford Experiment
8:41mins
Atomic Mass and Atomicity
10:02mins
Bohr Model of an Atom
10:44mins
Atomic and Mass no. Isotopes and Isobars
8:29mins
Ncert important questions
9:28mins