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  1. Discovery of the electron and nucleus (article) | Khan Academy

    The discovery of the electron disproved the part of Dalton's atomic theory that assumed atoms were indivisible. In order to account for the existence of the electrons, an entirely new atomic model was …

  2. Discovery of electrons (video) | Khan Academy

    How were electrons discovered? In this video, we explore the experiment that led to the discovery of the electron, and the key observations that changed atomic theory forever. We’ll walk you through J.J. …

  3. El descubrimiento del electrón y del núcleo - Khan Academy

    El experimento de los rayos catódicos de Thomson y el experimento de la lámina de oro de Rutherford.

  4. Bohr's model of hydrogen (article) | Khan Academy

    Bohr was also interested in the structure of the atom, which was a topic of much debate at the time. Numerous models of the atom had been postulated based on experimental results including the …

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    Khan Academy ... Khan Academy

  6. Atomic structure (article) | Khan Academy

    The discovery of atomic structure unlocked the patterns that organize all matter. When scientists understood this, chemistry became a science of patterns rather than just observation.

  7. Structure of atom | NCERT Chemistry Class 11 - Khan Academy

    In this second unit of class 11 chemistry, we will learn the discovery of subatomic particles- electrons, neutrons, & protons, atomic models of J.J Thomson's, Rutherford's, Bohr's. We will learn the dual …

  8. Rutherford’s gold foil experiment (video) | Khan Academy

    Learn about Rutherford's discovery of the nucleus and the development of the nuclear model of the atom.

  9. Discovery of the electron and nucleus (article) | Khan Academy

    Course: Grade 9 Chemistry - Pakistan National Curriculum > Unit 2 Lesson 3: Discovery of nucleus Rutherford’s gold foil experiment Introduction to the atom Discovery of the electron and nucleus

  10. Electronic structure of atoms | AP®︎/College Chemistry | Khan Academy

    Learn The history of atomic chemistry Dalton's atomic theory Discovery of the electron and nucleus Rutherford’s gold foil experiment Bohr's model of hydrogen