Notes
Atomic and Particle Physics
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Atomic & Particle Physics
ATOM
* Greek for 'Indivisible'
* Democritus was the 1st person to prove the existence of Atoms.
DALTON'S SOLID SPHERE MODEL
* Atom is a solid sphere.
* Can combine to form molecules.
* No reference to charges within the Atom.
J.J. THOMSON'S PLUM PUDDING MODEL
* Carried out experiments and found that the atom was charged.
* Atom is positively charged Ion Sphere.
* Negative charges are embedded on the 'Positively charged sphere' like plums.
RUTHERFORD'S NUCLEAR MODEL
* Rutherford and his team carried out an Alpha scattering experiment to justify the accuracy of the plum pudding model.
*
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- Edexcel A-2 Level (GCE) Subject: Physics Unit: Unit 4 Chapter: Atomic and Particle Physics
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- Muhammad Arshad
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