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Smaller than the Atom
Becquerel showed that atoms were able to emit smaller particles. Hence atoms must be divisible! -
Plumb Pudding
JJ Thomson discovered the electron and proposed the "plumb pudding" atomic model -
Discovering Alpha Particles
New Zealander, Ernest Rutherford discovered the alpha particle. -
Discovering Beta and Gamma Radiation
Becquerel identifies the beta particles as electrons.
Paul Villard identified the differences between gamma rays, X-rays, and other radiation types. -
Rutherford debunks the Plumb Pudding
Rutherford, Hans Geiger and Ernest Marsden carried out the Gold Foil experiment and began establishing the Rutherford-Bohr Atomic Model
