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It was impossible to determine the exact speed and distance of electrons

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werner heisenberg atomic model - Google Search

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video on Rutherford

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Trailer showing snippets of a documentary on Ernest Rutherford. Directed by Gillian Ashurst, produced by Spacegirl Productions and John Campbell. The three part documentary (1 hour per part) is available for purchase on DVD from http://www.rutherford.org.nz/

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This is a model of Rutherford's experiment.

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This is a model of Rutherford's experiment.

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Gold foil test.

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https://www.slideshare.net/cjballs/daltons-atomic-theory

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In 1913 he proposed am improvement. In his model, he placed each electron in a specific energy level. His model explained that electrons move in definite orbits.

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This is Neil Bohr, he created the Bohr model. He stated that electrons move in a definite orbits. He also proposed that each electron has a specific energy level. 

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This is Neil Bohr, he created the Bohr model. He stated that electrons move in a definite orbits. He also proposed that each electron has a specific energy level. 

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JJ Thompson Provided the first hint that an atom is made of even smaller particles

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Science and Technology Facilities Council

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Rutherford Atom model

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created a new model of the atom where he had the nucleus in the middle of the atom and electrons around the atom with most of the atom being empty space.

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This is a Model Of Rutherford's Atom.  He said that all the positives would be in the nucleus and the negatives would be on the outside

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Picture of Rutherford

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Rutherford moved in 1907 to the Victoria University of Manchester (today University of Manchester) in the UK, where he and Thomas Royds proved that alpha radiation is helium nuclei. Rutherford performed his most famous work after he became a Nobel laureate.

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Science and Technology Facilities Council

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The Discovery of the Atomic Nucleus (3 of 15)