Rutherford's Gold Foil Experiment (1 fev 1908 ano – 1 jan 1921 ano)

Descrição:

Rutherford's experiment found that:
1. All atoms contain a nucleus, which is small (<1% of the space of the atom), but is massive (>99% of the mass of the atom comes from the nucleus)
2. The nucleus is positive, as it repelled alpha-particles

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