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14 de ene. de 2024 · Thomson’s Model of an Atom, proposed by J.J. Thomson in 1904, was a groundbreaking step towards understanding the atomic structure. According to this model, atoms resemble a delicious plum pudding, with a positively charged “pudding” containing negatively charged electrons scattered throughout.
The characteristic features of Thomson's model are: 1. An atom consists of a positively charged sphere and the electrons are embedded in it. 2. The negative and positive charges are equal in magnitude. So, the atom as a whole is electrically neutral. 3.
30 de may. de 2021 · Description of Thomson's atomic model. According to J.J. Thomson's atomic model, the atom consists of electrons placed in a positively charged "soup,” which compensates for the electrically negative charges of the electrons. According to this model, electrons could spin freely in a drop or cloud of such a positively charged substance.
Figure \(\PageIndex{9}\): Thomson’s Plum Pudding or Chocolate Chip Cookie Model of the Atom. In this model, the electrons are embedded in a uniform sphere of positive charge. Image used with Permission (CC BY-SA-NC). In a single famous experiment, however, Rutherford showed unambiguously that Thomson’s model of the atom was incorrect.
1 de nov. de 2012 · Thomson compared his idea of atomic structure to a plum pudding. Invent an original analogy for Thomson’s plum pudding model of the atom. Why was Thomson’s model soon rejected? Explore More. Watch this detailed presentation about J. J. Thomson’s discovery of the electron, and then answer the question below.
Entre 1904 i 1910 el model de J.J. Thomson fou generalment acceptat com la millor teoria atòmica disponible, però el físic britànic Ernest Rutherford (1871–1937) començà a dur a terme experiments de dispersió, varià la configuració de J.J. Thomson emprant projectils de raigs α, carregats positivament i molt més pesants.
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