Atoms: Rutherfords Model of the Atom

In 1911, Ernest Rutherford revised the atomic theory by conducting the gold foil experiment, where he fired positively charged particles at gold foil. Most particles passed through, indicating atoms have empty space, contradicting Thomson's solid atom model. Some particles bounced back, leading Rutherford to conclude that atoms have a small, dense, positively charged nucleus. He proposed that electrons are scattered around this nucleus, forming the basis of his atomic model.

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