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  2. Rutherford model, description of the structure of atoms proposed (1911) by the New Zealand-born physicist Ernest Rutherford. The model described the atom as a tiny, dense, positively charged core called a nucleus, in which nearly all the mass is concentrated, around which the light, negative constituents , called electrons , circulate at some ...

  3. The atomic nucleus shown expanded more than 10,000 times its size relative to the atom; electrons have no measurable diameter. The Rutherford model was devised by Ernest Rutherford to describe an atom. Rutherford directed the Geiger–Marsden experiment in 1909, which suggested, upon Rutherford's 1911 analysis, that J. J. Thomson 's plum ...

  4. Definition of the Rutherford Model. The Rutherford atomic model has 2 main parts: the nucleus, and the atom’s remaining space, occupied by electrons. According to the model, the nucleus is a very small portion of the atom’s volume. It occupies a small space in the very center of the atom.

  5. Aug 10, 2022 · Rutherford's atomic model became known as the nuclear model. In the nuclear atom, the protons and neutrons, which comprise nearly all of the mass of the atom, are located in the nucleus at the center of the atom.

  6. Apr 2, 2014 · A pioneer of nuclear physics and the first to split the atom, Ernest Rutherford was awarded the 1908 Nobel Prize in Chemistry for his theory of atomic structure.

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