American Physicist, Robert Millikin in 1909.
American Physicist, Robert Millikin in 1909
There are two scientist working together: The oil drop experiment was an experiment performed by Robert Millikan and Harvey Fletcher in 1909 to measure the charge of the electron (the elementary electric charge).
Felix Ehrenhaft has written: 'The microcoulomb experiment; charges smaller than the electronic charge'
Millikan's oil-drop experiment demonstrated that charge is quantized, and that the quantum of charge ... the 'elementary' charge ... is 1.6 x 10-19 Coulomb.
Alpha has 2 positive electronic chargeBeta has 1 negative electronic charge. There is also positive beta that are having 1 positive electronic charge.Gamma has no electronic charge.
J. Robert Oppenheimer .
The unit of charge is coulombs
"Discover electrons"!!! You mean the Leonhard experiment that sent a ray of electrons through a cathode ray tube and observed the change in the spot of light at the screen? But there WAS no "cancelation", so I'm not sure what you're asking. But there was another experiment that needs to be considered part of the "discovery" of the electron: that of Milikan: the oil-drop experiment. Between the work of Leonhaard (which established the ratio of the electronic mass to the electronic charge) and that of Milikan (which established the charge of the electron) the experimental foundations of the discovery were provided. It ws docuemtned by J. J. Thompson (in "The Electon, early 20th centry") Walter Ludwig Schubert, historyofmatter@hotmail.com
Robert Millikan was the first Physicist to measure the electrical charge of the electron.
According to one physicist I know, most of the time the overall charge of a molecule of water is neutral.
They are at a theoretically neutral or no charge state.
negative