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Title: Results of Rutherford's gold-foil experiment
Caption: Model explaining the results of RutherfordÍs gold-foil experiment. Most of the alpha particles pass right through the foil because it is mainly empty space. But some alpha particles are deflected as they pass close to a dense, positively charged atomic nucleus. Once in a while an alpha particle approaches an atomic nucleus head-on and is knocked back in the direction from which it came.
Keywords: Rutherford, gold-foil, alpha particle, deflection, atomic nucleus