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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] tellurium
Symbol: Te Atomic number: 52 Atomic weight: 127.60 Silvery metalloid element of group 16. Eight natural isotopes, nine radioactive isotopes. Used in semiconductors and to a degree in some steels. Chemistry is similar to {sulphur}. Discovered in 1782 by Franz Miller.
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