All Activity

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    Structure of Atom: Spectra

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    Atomic Discovery. Dmitry Mendeleev & Henry Moseley. (5:32)

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    Henry Moseley and the Periodic Table. (3:12)

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    Search for the Elements. (5:19)

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    Henry Moseley. (4:37)

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    Structure of Atom: The Bohr Model

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    Einstein and Discovery of Photon. (4.08)

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    Rutherford Gold Foil Experiment. (8:40)

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    Radioactivity Henry Becquerel, Marie & Pier Curie. (14.51)

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    Properties of Ionizing Radiation. (9:18)

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    Properties of Becquerel Rays. (9:34)

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    Discovery of Radioactivity. (9:35)

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    J.J.Thompson: charge to mass ratio of electrons.

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    The Plum Pudding Atomic Model, J.J.Thompson and the Electron.

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    J.J.Thompson & His Discovery of the Electron.

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    X-Ray Product Animation.

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    Wilhelm Roentgen Biography: How X-Rays were Discovered.

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    Cathode Ray Tube 2

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    Cathode Ray Tube

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    Structure of the Atom: Smaller than the Smallest.