Rutherford designed an experiment where fast-moving alpha (α)-particles were directed at a thin gold foil.
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Thomson’s analogies aimed to provide a visual and conceptual understanding of the atom’s structure, making it more accessible and relatable to everyday objects.
Thomson visualized electrons as currants in a Christmas pudding or seeds in a watermelon, studded within the positively charged sphere of the atom.
Thomson compared the distribution of positive charge in the atom to the red edible part of a watermelon, spread throughout the sphere.
The discovery of electrons and protons inside the atom led to the failure of Dalton’s idea of atomic indivisibility.