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oct 6, 1911 - Rutherford Model: In 1911, Ernest Rutherford conducted a number of experiments that showed that atoms have a nucleus about which electrons orbit. The model made had a dense nucleus of positive particles (protons), and electrons orbitting the nucleus on unique orbits, similar to planets around a star. Rutherford also later predicted that a second kind of particle was present in the nucleus.

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Date:

oct 6, 1911
Now
~ 107 years ago
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