timeline of atom

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Last updated 1:08 AM on 10/5/26
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6 Terms

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Democritus

Believed that everything in the world was made up of tiny indestructible particles atoms (uncutable)

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John Dalton

Believed that atoms were unique for every element

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JJ Thompson

Came up with the “plum pudding” model, where he discovered that electrons existed

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Ernest Rutherford

performed the gold foil experiment

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Neils Bohr

Believed that electrons moved around the nucleus in fixed orbits or shells

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Erwin Schrodinger

Believed that electrons revolve around the nucleus as electron clouds (also known as orbitals)