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tellurium    音標拼音: [tɛl'ʊriəm]
n. 兩性金屬元素,符號Te,原子序52

兩性金屬元素,符號Te,原子序52

tellurium
n 1: a brittle silver-white metalloid element that is related to
selenium and sulfur; it is used in alloys and as a
semiconductor; occurs mainly as tellurides in ores of
copper and nickel and silver and gold [synonym: {tellurium},
{Te}, {atomic number 52}]

Tellurium \Tel*lu"ri*um\, n. [NL., from L. tellus, -uris, the
earth.] (Chem.)
A rare nonmetallic element, analogous to sulphur and
selenium, occasionally found native as a substance of a
silver-white metallic luster, but usually combined with
metals, as with gold and silver in the mineral sylvanite,
with mercury in Coloradoite, etc. Symbol Te. Atomic weight
125.2.
[1913 Webster]

{Graphic tellurium}. (Min.) See {Sylvanite}.

{Tellurium glance} (Min.), nagyagite; -- called also {black
tellurium}.
[1913 Webster]

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英文字典中文字典相關資料:
  • Its Elemental - The Element Tellurium
    The Element Tellurium - Known IsotopesMost of the isotope data on this site has been obtained from the National Nuclear Data Center Please visit their site for more information Isotopes With A Known Natural Abundance
  • Its Elemental - The Element Thallium
    Rather than seeing the yellow spectral lines produced by tellurium, he observed a bright green line that no one had ever seen before He named the new element that was producing the green line thallium, after the greek word for 'green twig', thallos
  • Its Elemental - The Element Antimony
    Antimony has been known since ancient times It is sometimes found free in nature, but is usually obtained from the ores stibnite (Sb 2 S 3) and valentinite (Sb 2 O 3) Nicolas Lémery, a French chemist, was the first person to scientifically study antimony and its compounds He published his findings in 1707 Antimony makes up about 0 00002% of the earth's crust Antimony is a brittle metal
  • Its Elemental - The Element Gold
    Gold is sometimes found free in nature but it is usually found in conjunction with silver, quartz (SiO 2), calcite (CaCO 3), lead, tellurium, zinc or copper There is roughly 1 milligram of gold dissolved in every ton of seawater, although extracting it currently costs more than the gold is worth





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