1.1 History of the discovery of the atom

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Chemistry

Atoms

Last updated 8:50 PM on 11/10/22
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6 Terms

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Ancient Greeks
Atomos, indivisible spheres
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John Dalton - 1803
Billiard Ball model, solid spheres
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JJ Thomson - 1896
Plum pudding model, negative electrons in positive sphere
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Rutherford - 1911
Nuclear Model, discovered the nucleus through the gold foil experiment. Atoms are mostly empty with positive nucleus surrounded by negative electrons
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Niels Bohr - 1913
Bohr Model, electrons in shells at fixed distances from the nucleus
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James Chadwick - 1932
Modern Model, discovered the neutron