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Ratio of the electron charge (e) to the electron mass (me), e/me. Numerous direct
measurements of this quantity were carried out over the period 1897 to 1938. The
experiments usually involved the deflection of beams of free electrons by ...
Because the electron also has mass, it behaves in some respects like a spinning
top; that is, it is said to have spin angular momentum. The g factor of the electron
is defined as the ratio of its magnetic moment to its spin angular momentum.
A more complete description of coordinate bonding, in terms of electron pairs,
became possible in the 1920s following the introduction of the concept that all
covalent (nonionic) bonds consist of electron pairs shared between atoms, a
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This is the 198215th Edition, in two halves, with the Macropaedia and the Micropaedia. First published in 1768, the publisher is the oldest English-language encyclopedia still in print. Two Scottish ... Read full review