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tellurium    音标拼音: [tɛl'ʊriəm]
n. 两性金属元素,符号Te,原子序52

两性金属元素,符号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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  • Its Elemental - The Element Tellurium
    Tellurium is a semiconductor and is frequently doped with copper, tin, gold or silver Tellurium is also used to color glass and ceramics and is one of the primary ingredients in blasting caps Tellurium is primarily used as an alloying agent Small amounts of tellurium are added to copper and stainless steel to make them easier to machine and
  • 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 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
  • 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 Periodic Table of Elements - Elements Listed by . . .
    It's Elemental - The Periodic Table of Elements - Elements Listed by Atomic NumberDownload a printable version of the Periodic Table of Elements in PDF format: - Color: Basic Advanced - Black and White: Basic Advanced The following on-line games based on the Periodic Table of Elements are available: - Element Flash Cards - Element Hangman - Element Matching - Element Math - Element
  • The Periodic Table of Elements
    * The atomic weights listed on this Table of Elements have been rounded to the nearest whole number As a result, this chart actually displays the
  • Its Elemental - The Element Selenium
    Originally believing the material was tellurium, Berzelius eventually realized that it was actually a previously unknown element Selenium occurs in minerals such as eucairite (CuAgSe), crooksite (CuThSe) and clausthalite (PbSe), but these minerals are too rare to use as a major source of selenium
  • Its Elemental - The Element Iodine
    Previous Element (Tellurium) The Periodic Table of Elements Next Element (Xenon)
  • 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 Antimony
    The Element Antimony - 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





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