Sunday, December 29, 2013

Discovery of the electron

i did this report for my chem 1 class, its nothing special, but if you motive virtu completelyy info on negatrons, or the discovery of, because this is great. none The stripping Of The Electron         The electron was discovered in 1895 by J.J. Thomson in the form of cathode rays, and was the introductory elementary share to be identified. The electron is the lightest known particle which possesses an electric elevator car charge. Its rest mass is Me equal> 9.1 x 10 -28 g, to the highest head 1/1836 of the mass of the proton or neutron.         The charge of the electron is -e = -4.8 x 10^-10 esu trostatic unit). The mansion of the electrons charge is negative by convention, and that of the as charged proton is positive. This is somewhat a unfortunate convention, because the flow of electrons in a conductor is blow to the conventional direc tion of the current.         The most spotless direct measurement of e is the oi l drop taste conducted by R.A. Milikan in 1909. In this experiment, the charges of droplets of oil in carriage argon measured by finding the electric sphere which balances each drop against its weight. The weight of each drop is pertinacious by observing its rate of free f all through the air, and using Stokes formula for the viscous drag on a slowly moving sphere. The charges thus measured are underlying multiples of e.
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        Electrons are emitted in radioactivity and in many early(a) decay processes. The electron itself is completely stable. Electrons tote up the book to ordinary matter; the volume of an atom is nearly all occupied by the cloud of elec trons su rrounding the nucleus, which occupies only ! somewhat 10^-13 of the atoms volume. The chemical properties of ordinary matter are laid by the electron cloud.         The electron obeys the Fermi-Dirac statistics, and... If you want to get a full essay, assemble it on our website: OrderEssay.net

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