Gallium--A smart metal 来自 Semantic Scholar 喜欢 0 阅读量: 17 作者:N Foley,BW Jaskula 摘要: Gallium is a soft, silvery metallic element with an atomic number of 31 and the chemical symbol Ga. The French chemist Paul-Emile Lecoq de Boisbaudran discovered gallium in sphalerite (a zinc-...
Gallium is a lustrous, silvery liquid, metal, or gray solid.It is a silvery liquid at 29.75 °C (85.55 °F), which boils at 2204 °C (3999.2°F) and has the largest liquid range of any metal. Despite the liquid state, the vapor pressure of elemental gallium is negligible. Indium is...
gallium 英 [ˈɡæliəm] 美 [ˈɡæliəm]n. 镓 牛津词典 noun 镓a chemical element. Gallium is a soft silver-white metal.
Gallium (Ga, atomic weight 69.72, melting point 29.8掳C, d = 5.91 g cm) is a soft silver-grey metal. It occurs in the Earth's crust at an average level of 15 ppm, primarily along with Al and Zn ores. Various analytical techniques are discussed. It includes separation and ...
gallium- a rare silvery (usually trivalent) metallic element; brittle at low temperatures but liquid above room temperature; occurs in trace amounts in bauxite and zinc ores atomic number 31,Ga metal,metallic element- any of several chemical elements that are usually shiny solids that conduct heat...
metallic element,metal 联想词 boron硼;nitride氮化物;silicon硅;oxide氧化物;chromium铬;titanium钛;cobalt钴;manganese锰;oxides氧化物;sulfide硫化物;semiconductor半导体; 词组| 习惯用语 gallium nitride氮化 ;磷化 gallium arsenide砷化 英语例句库 1.Abdominal adenopathy is usually uated by computerized abdominal tom...
, from Latin metallum "metal, mineral; mine, quarry," from Gree atomic"pertaining to atoms," 1670s as a philosophical term (see atomistic); scientific sense dates from 1811, from atom + -ic. Atomic number is attested from 1821; atomic mass is from 1848. Atomic energy is recorded by ...
Gallium nitride acts as a semiconductor. It consists of certain properties that make it very versatile. Properties Of Gallium This metal can be easily extracted as a by-product from iron pyrites, zinc blende, germanite, and bauxite. It is solid at room temperature but when it comes in conta...
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Gallium, with atomic number 31 and atomic weight of 69.723. Gallium is a soft, light silver metal. It largely exists as a trace element in minerals and compounds. Gallium is unique inits low melting point(average human body temperature is enough to melt it) but a high boiling point. ...