Radioactivity and Particles

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Radioactivity

Main topic

Particles

Atomic Sructure.

Now

Nucleus

Neutrons (0)

Protons (+)

Shells

Electrons (-)

Orbit around the Nucleus

Prior Rutherford

Plum Pudding Model

Atom was one structure with posotive and negative parts evenly spread

U-235

Chain Reaction

Fission

Rutherford's Experiment

Nucleur Model

Geiger and Marsden's experiments

Results

Assumptions