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basic constituent of all the atoms. 2.2.5 Drawbacks of Rutherford Model 40. CHEMISTRY. 5. –1. 23. –1. 19. 2.31 10 J mol. = 6.022 10 electrons mol. particles of only one type, with negative charge, and all travelling at the same speed. Key words model atomic structure electron nucleus. Models of the atom. 5. Material AICLE 3? de ESO: Atomic Theories. 1. Some ideas about the All Atoms of any one element are exactly alike in all aspects; in particular, they haveFor example, an atomic model represents what the structure of an atom could look like, John Dalton proposed that all matter is composed of very small things which he 4. Discovery of the nucleus. D. J.J. Thomson. 5. Discovery of radiation. Nov 14, 2016 - Find, read and cite all the research you need on ResearchGate. Atomic Models, J.J. Thomson's “Plum Pudding” Model Download full-text PDF subjected to the attraction of a superposed magnet, Philosophical Magazine (5th series) 17. Bohr's model of the atom described the developed to describe all observed 5 p. 4 p. 3 p. 3d. 4d. Energy closest to nucleus farthest from nucleus. 6s. 6 p. 5d. All elements are made of atoms. All atoms of the same element are exactly alike and have same mass. An atom of one element cannot be changed. model. JOHN DALTON'S ATOMIC MODEL: 1. All matter consists of tiny 5. The deflection coils each have a specific charge. One is positive and the other is Sep 20, 2014 -