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Hace 2 días · CONCLUSIÓN. El modelo atómico de la mecánica cuántica representa un avance monumental en nuestra comprensión de la materia a nivel subatómico. Partiendo de los primeros modelos atómicos de Dalton, Thomson y Rutherford, cada uno contribuyó con ideas fundamentales, pero también presentaron limitaciones que no podían explicar completamente las observaciones experimentales.
Hace 4 días · Dalton’s Model of the Atom, J.J Thomson’s Model of Atom, Rutherford’s Atomic Model, and Neil Bohr’s Atomic Theory.
Hace 2 días · In 1897, J. J. Thomson discovered that cathode rays are not a form of light but made of negatively-charged particles because they can be deflected by electric and magnetic fields. He measured these particles to be at least a thousand times lighter than hydrogen (the lightest atom).
Hace 3 días · His successor, J. J. Thomson, played a great part in the expansion of physics which followed the discovery of X-rays in 1895. In 1897 he announced his most important result, establishing 'the existence of masses of a smaller order of magnitude than atoms', or, as they were later called, the electrons.
Hace 3 días · What could J. J. Thomson conclude from his experiments? A. Atoms are mostly empty space. B. Most of the mass of the atom is concentrated in the center. C. Atoms must balance positive and negative particles. D. Atoms are indivisible.
Hace 3 días · What did J.J. Thomson observe when he applied electric voltage to cathode ray tube in his famous experiment? The glass opposite of the negative electrode started to glow. Which best describes the effect of J.J. Thomson's discovery?
J.J. Thomson won the Nobel Prize in physics in 1906 showing that the electron is a particle. Ironically, his son, G.P. Thomson, won the Nobel Prize in physics in 1937 showing that it is not (or rather that the electron can also behave as a wave).
