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Atomic Theory Timeline, Dalton's Model of an atom~a small…
Atomic Theory Timeline
430-370 B.C.
1808
1897
1908
Ernest Rutherford conducted an experiment, he shot alpha particles through a piece of gold foil. Some of the particles would go straight through but some would bounce back. Rutherford discovered the nucleus in the center of the atom
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1913
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1926
Erwin Schrodinger came up with the electron cloud model which says that there is no way that we can pin point where the electrons are in the atom
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John Dalton delivered the Atomic theory. All matter is made out of atoms.Atoms are indestructible and cannot be divided into smaller particles. All atoms of one element are exactly alike but they are different from atoms of other elements
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Democritus developed a theory that the universe is made of empty space and tiny particles called atoms
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