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Gallium
Gallium Gal"li*um, n. [NL.; perh. fr. L. Gallia France.]
(Chem.)
A rare metallic element, found combined in certain zinc ores.
It is white, hard, and malleable, resembling aluminium, and
remarkable for its low melting point (86[deg] F., 30[deg]
C.). Symbol, Ga; at. wt., 69.9. Gallium is chiefly trivalent,
resembling aluminium and indium. It was predicted with most
of its properties, under the name eka-aluminium, by
Mendelyeev on the basis of the periodic law. This prediction
was verified in its discovery (in 1875) by its characteristic
spectrum (two violet lines).
galliumEkaluminium Ek*al`u*min"i*um, n. [Skr. [=e]ka one + E.
aluminium.] (Chem.)
The name given to a hypothetical element, -- later discovered
and called gallium. See Gallium, and cf. Ekabor. Gallium
Gallium Gal"li*um, n. [NL., fr. L. Gallia France.] (Chem.)
A rare metallic element, found in certain zinc ores. It is
white, hard, and malleable, resembling aluminium, and
remarcable for its low melting point (86? F., 30?C). Symbol
Ga. Atomic weight 69.9.
Note: The element was predicted with most of its properties,
under the name ekaluminium, by the Russian chemist
Mendelejeff, on the basis of the Periodic law. This
prediction was verified in its discovery by the French
chemist Lecoq de Boisbaudran by its characteristic
spectrum (two violet lines), in an examination of a
zinc blende from the Pyrenees.
Meaning of gallium from wikipedia
-
Gallium is a
chemical element; it has the
symbol Ga and
atomic number 31.
Discovered by the
French chemist Paul-Émile
Lecoq de
Boisbaudran in 1875, gallium...
-
Gallium ****nide (GaAs) is a III-V
direct band gap
semiconductor with a zinc
blende crystal structure.
Gallium ****nide is used in the
manufacture of devices...
-
Gallium nitride (GaN) is a
binary III/V
direct bandgap semiconductor commonly used in blue light-emitting
diodes since the 1990s. The
compound is a very...
- Look up
Gallium or
gallium in Wiktionary, the free dictionary.
Gallium is a
chemical element with
symbol Ga and
atomic number 31.
Gallium may also refer...
-
Natural gallium (31Ga)
consists of a
mixture of two
stable isotopes:
gallium-69 and
gallium-71. Twenty-nine
radioisotopes are known, all synthetic, with...
- high
aluminium content. It is the world's main
source of
aluminium and
gallium.
Bauxite consists mostly of the
aluminium minerals gibbsite (Al(OH)3),...
-
GalliumOS was a
Linux distribution for
ChromeOS devices,
developed by the community-supported
GalliumOS project. The
distribution was made for Chrome...
-
Gallium chloride may
refer to:
Gallium trichloride (
gallium(III) chloride/digallium hexachloride), GaCl3
Gallium dichloride [Wikidata] (
gallium(I,III)...
-
group 13 of the
periodic table,
consisting of
boron (B),
aluminium (Al),
gallium (Ga),
indium (In),
thallium (Tl) and
nihonium (Nh). This
group lies in...
- A
gallium scan is a type of
nuclear medicine test that uses
either a
gallium-67 (67Ga) or
gallium-68 (68Ga)
radiopharmaceutical to
obtain images of a...
