Videos
Introduction to Atoms
206
John Dalton's Theory
104
Discovery of Electrons
235
The Plum Pudding Model
162
Alpha and Beta Particles
103
Gold Foil Experiment
379
Conclusions: Rutherford Experiment
237
Drawbacks: Rutherford Model
174
Bohr's Postulates
174
Bohr's Model of an Atom I
273
Bohr's Model of an atom II
322
Atomic Number and Mass Number
151
Isobars and Isotopes
561
Valency
1041
Laws of Chemical Combination
744
Radioactivity
224