Atoms unit - Thomson Raisin bun Negative electrons embedded...

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Thomson Raisin bun Negative electrons embedded in positive sphere Plancks Quantum theory -studied light emitted by black bodies -when a solid is heat to high temp it appears red the orange then white -the intensity could be graphed, the shape of the graph suggested energies of oscillating atoms in a heated solid were ultiples of a small quantity of energy -photon would strike the electrons which would transfer energy allowing the electrons to break free only to fall back down releasing visible light Bohr -modified rutherfords atomic theory based on quantum theory Solar system model -electrons have specific orbits around the nucleus Maximum amount of electrons is 2n^2 Electrons in orbits closer to nucleus have less energt then those further away When exicited electron returns to ground state they release energy as visable light Was needed to be modified because it only applied to hydrogen and other sigle electron ions Louise de Broglie
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