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Обновлено 15 мая 2018
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Авторы
Created by
Saisriram Sanjai
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Aboriginal Lit timeline
By
Saisriram Sanjai
25 фев 2020
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197
События
Democritus’ atomic theory
Isaac Newton theorized a mechanical universe
New event
John Dalton proposed that all elements consisted of atoms
Michael Faraday developed the two laws of electrochemistry
J. Plucker built one of the first cathode-ray tubes.
Dmitri Mendeleev created the periodic table.
James Clerk Maxwell created the theory of electromagnetism
G.J. Stoney theorized that electricity was made up of negative particles he called electrons.
Sir William Crookes experiments with cathode-ray units
E. Goldstein diiscovered canal rays
Wilhelm Roentgen discovered x-rays.
Henri Becquerel discovered radiation
J.J. Thomson determined the charge to mass ratio of electrons.
Rutherford discovered alpha, beta, and gamma rays in radiation.
Marie Sklodowska Curie discovered radium and polonium
Max Planck proposed the idea of quantization
Frederick Soddy came up with the term "isotope"
Hantaro Nagaoka proposed an atomic model
Richard Abegg found that inert gases have a “stable electron configuration.”
Hans Geiger invented a device that could detect alpha particles.
H.G.J. Moseley discovered that the number of protons in an element determines its atomic number.
Francis William Aston used a mass spectrograph to identify 212 isotopes.
Niels Bohr proposed an atomic structure theory
Louis de Broglie proposed that electrons have a wave/particle duality.
Cockcroft / Walton created the first nuclear reaction, producing alpha particles
Paul Dirac proposed the existence of anti-particles.
James Chadwick discovered neutrons, particles whose mass was close to that of a proton
Lise Meitner, Hahn, Strassman discovered nuclear fission.
Enrico Fermi created the first man-made nuclear reactor.
Bibliography
How did the Atomic theory come to be?
Периоды
Glenn Seaborg discovered eight trans-uranium elements.
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