Videos
Introduction to Atoms
206
Structure of Atom
245
Electronic Configuration
232
Valency
321
Ions
76
Isobars and Isotopes
197
Positive Rays
193
Atomic Number and Mass Number
152
John Dalton's Theory
121
Discovery of Electrons
219
The Plum Pudding Model
189
Alpha and Beta Particles
104
Gold Foil Experiment
328
Rutherford Experiment
294