The deflection of cathodic rays was the source of inspiration for Thomson.
The plums represent the electrons, which has a negative charge.
Neutron: James Chadwick, 1932 Electron: J. J. Thomson, 1897 Proton: Ernest Rutherford, 1919
Tom Thomson was born on August 5, 1877.
Peter G. Thomson House was created in 1907.
There are 3 subatomic particles in an atom, electrons, protons, and neutrons. The first discovered was the electrons by J.J. Thomson in 1897. The second discovered was the protons by Ernest Rutherford in 1919. The third discovered was the neutrons by James Chadwick in 1932.
The deflection of cathodic rays was the source of inspiration for Thomson.
The evidence for JJ Thomson was that the plum pudding model could not predict why atoms absorbed and emitted spectral lines.
He described the atom as a sea of positive charge sprinkled with electrons
The deflection of cathodic rays was the source of inspiration for Thomson.
The Nobel Prize in Physics 1937 was awarded jointly to Clinton Joseph Davisson and George Paget Thomson for their experimental discovery of the diffraction of electrons by crystals
a cathode ray
The evidence for JJ Thomson was that the plum pudding model could not predict why atoms absorbed and emitted spectral lines.
Cathode rays are negatively-charged particles.
j.j. Thomson
J.J. Thomson is credited with discovering electrons in 1897 through his cathode ray tube experiments. Thomson's work paved the way for the understanding of atomic structure and the development of the atomic model.
Thomson was experimenting with currents of electricity inside empty glass tubes.
J. J. Thomson is credited with the discovery of electrons.