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The History of the Atom
Category:
Autre
mise à jour avec succès:
21 sept. 2017
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Created by
Kane Anderson
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Microscope
By
Kane Anderson
20 sept. 2017
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830
Les événements
Dalton explained that elements can be formed into comounds (1880)
J. J. Thompson describes the atom using the plum pudding model (1897)
Rutherford discovered the nucleus of the atom (1902)
Bohr Develops a new model of the Atom with energy "shells" (1920)
James Chadwick discovers the neutron (1932)
Marie Sklodowska Curie Studied uranium and thorium and called their spontaneous decay process "radioactivity". She and her husband Pierre also discovered the radioactive elements polonium and radium. (1898)
J.J. Thomson Used a CRT to experimentally determine the charge to mass ratio (e/m) of an electron =1.759 x 10 8 coulombs/gram. (1897)
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