Scientist Atomic theory

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Last updated 5:04 PM on 8/26/26
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7 Terms

1
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John Dalton

Matter is made of atoms, compound form when atoms combine, reactions occur when atoms are rearranged.

2
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JJ Thomson

Discovered Negatively charged electrons using a cathode ray tube. Plum Pudding model of the atom.

3
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Ernest Rutherford

The Gold Foil Experiment, discovered the nucleus.

4
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Niels Bohr

Electrons move around the nucleus in fixed orbits. Planetary model of the atom

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Robert Millikan

Discovered the mass and charge of an electron from the Oil Drop Experiment.

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James Chadwick

Discovered the neutron.

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Erwin Schrodinger

The Quantum Mechanical Model.