DALTON’S ATOMIC THEORY It seemed that an atom was composed of protons and electrons, mutually balancing their charges. It also appeared that the protons were in the interior of the atom, for
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THOMSON ATOMIC MODEL Thomson proposed the model of an atom to be similar to that of a Christmas pudding. The electrons, in a sphere of positive charge, were like currants (dry fruits) in a spherica
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DRAWBACKS OF THOMSON’S MODEL OF AN ATOM Although Thomson's model explained that atoms are electrically neutral, the results of experiments carried out by other scientists could not b
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