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ELECTRON

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Originally appearing in Volume V09, Page 237 of the 1911 Encyclopedia Britannica.

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ELECTRON , the name suggested by Dr G. See also:

JOHNSTONE

Johnstone Stoney in 1891 for the natural unit of See also:

ELECTRICITY

electricity to which he had See also:

DRAWN

drawn See also:

ATTENTION (from Lat. ad-tendo, await, expect; the condition of being " stretched " or " tense ")

attention in 1874, and subsequently applied to the ultra-atomic particles carrying negative charges of electricity, of which See also:

PROFESSOR (the Latin noun formed from the verb profiteri, to declare publicly, to acknowledge, profess)

Professor See also:

Sir J. J. See also:

Thomson proved in 1897 that the See also:

CATHODE

cathode rays consisted. The electrons, which Thomson at first called corpuscles, are point charges of negative electricity, their inertia showing them to have a See also:

mass equal to about 2 that of the See also:

HYDROGEN [symbol H, atomic weight x-oo8 (0=16)]

hydrogen See also:

ATOM (Gr. &rows, indivisible, from a- privative, and TE,aPfw, to cut)

atom. They are apparently derivable from all kinds of See also:

MATTER

matter, and are believed to be components at any See also:

RATE

rate of the chemical atom. The electronic theory of the chemical atom supposes, in fact, that atoms are congeries of electrons in rapid orbital See also:

motion. The See also:

SIZE

size of the electron is to that of an atom roughly in the ratio of a See also:

PIN (a doublet with " pen " from Lat. pinna, feather, pinnacle, which is said to contain the same root as irirvs, pine tree, and properly to mean a sharp point or end)

pin's See also:

head to the See also:

DOME (Lat domus, house; Ital. duomo, cathedral)

dome of St See also:

Paul's See also:

CATHEDRAL

cathedral. The electron is always associated with the unit See also:

charge of negative electricity, and it has been suggested that its inertia is wholly See also:

electrical. For further details see the articles on ELECTRICITY; See also:

MAGNETISM; MATTER; RADIO-ACTIVITY; See also:

CONDUCTION, ELECTRIC

CONDUCTION, ELECTRIC; The Electron Theory, E. See also:

Fournier d'Albe (See also:

LONDON

London, 1907); and the See also:

ORIGINAL

original papers of Dr G. Johnstone Stoney, Proc.

Brit. See also:

Ass. (See also:

BELFAST

Belfast, See also:

AUGUST (originally Sextilis)

August 1874), " On the See also:

PHYSICAL

Physical See also:

Units of Nature," and Trans. Royal See also:

DUBLIN

Dublin Society (1891), 4, p. 583.

End of Article: ELECTRON

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