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Chemist: Ernest Rutherford
Contribution: Rutherford's Atomic Theory, Rutherford Atomic Model
In 1911, Ernest Rutherford published the results of his gold foil test, where he discovered that 1 in 8000 particles were deflected. From this he concluded atoms have a hard, positively-charged nucleus surrounded by however many negatively-charged
electrons, which occupy otherwise empty space.
From this, Rutherford developed his atomic model, which consists of a hard nucleus electrons continuously orbit.
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Information Credit: Royal Society of Chemistry