12 St. 30 Min, 4 Jul 1906 Jahr - Thomson

Beschreibung:

4. Thomson - __He used Crook's cathode ray and his own knowledge of electromagnetic theory to determine the charge of the particle in the cathrode ray. Which the number he came up with was -1.76 x 10^e8 c/g which the c stands for coulomb, which is the unit of electrical charge he did not however find the mass of an singular electron also was the first to identify the electron as a sub atomic particle of the atom. The plumb pudding model of a bunch of negatively charged particles sitting in a positive mass like raisins in a cake was his contribution to the atomic model. ____
a. Experimental basis - __Cathrode tube ___
b. Year - _1906_

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