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Atomic Model and Wave-Particle Duality

Atomic Model and Wave-Particle Duality

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Thomson <strong>and</strong> Millikan:electrons have definite charge <strong>and</strong> massAtoms contain negatively charged electrons.Electrons have mass about 2000 times less thanhydrogen atom, but the (negative) electron chargeis equal to the (positive) charge of the ion inmagnitude.Atoms are neutral: there must be positive chargein them. How is the positive charge distributedwithin the atom? And what about the distributionof the mass?9

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