(Elements & Compounds) a soft malleable highly toxic white metallic element used as a rodent and insect poison and in low-melting glass. Its compounds are used as infrared detectors and in photoelectric cells. Symbol: Tl; atomic no: 81; atomic wt: 204.3833; valency: 1 or 3; relative densi...
It is a chemical element: symbol Tl 铊〔一种化学元素,符号为Tl〕 Examples from the Corpus thallium• There was no chance that Donald would diagnose thallium poisoning.• In 1861 Crookes made the discovery which brought him the necessary eminence; he identified the new element thallium.• ...
Atomic Data of Thallium (Element 81) What are the Uses of Thallium Toxicity Interesting Facts Thallium Cost What is Thallium Thallium (pronounced as THAL-ee-em) is a heavy metal with considerable toxic properties, represented by the chemical symbol Ti[1]. Under normal atmospheric conditions, the...
Symbol: TIDate of discovery: 1861Name origin: Greek thallosAppearance: silvery whiteDiscoverer: Sir William CrookesObtained from: copper, lead, zinc, sulfide ores Melting point: 303.5 KBoiling point: 1473 KDensity[kg/m3]: 11.85Molar volume: 17.22×10-6 m3/molProtons/Electrons: 81Neu...
From Longman Dictionary of Contemporary Englishthal‧li‧um/ˈθæliəm/noun[uncountable]a soft blue-white metal that ispoisonous, used inphotoelectriccellsand to killrats,mice, andinsects. It is achemicalelement:symbolTlExamples from the Corpusthallium•There was no chance that Donald wo...
Definition thallium: Symbol Tl. A greyishmetallic element belonging togroup 13 (formerly IIIB) of the periodictable; a.n. 81; r.a.m. 204.39; r.d.11.85 (20°C); m.p. 303.5°C; b.p.1457±10°C. It occurs in zinc blendeand some iron ores and is recoveredin small quantities from...
MFC5HF6O2Tl MW411.43 MDL NumberMFCD00064761 MOL File15444-43-6.mol Chemical Properties Melting point126-128°C Boiling point220°C formcrystal coloryellow Exposure limitsACGIH: TWA 0.02 mg/m3 (Skin) Safety Symbol(GHS) Signal wordDanger ...
Interpretation of XPS spectra N/A About this element Symbol: TIDate of discovery: 1861Name origin: Greek thallosAppearance: silvery whiteDiscoverer: Sir William CrookesObtained from: copper, lead, zinc, sulfide ores Melting point: 303.5 KBoiling point: 1473 KDensity[kg/m3]: 11.85Molar ...
Standard atomic mass: 204.3833(2)u Isotopes of thallium occurring within the radioactivedisintegration chainsofactinium,radiumandthoriumwere known as: radium EII:206Tl actinium CII:207Tl thorium CII:208Tl radium CII:210Tl Table nuclide symbolZ(p)N(n) ...
Relative Atomic Mass The ratio of the average mass per atom of an isotope to 1/12 the mass of a carbon-12 atom. Relative atomic mass is also known as atomic weight (symbol: Ar). Standard Atomic Weight Tl: [204.382,204.385] Isotopic Composition20570.48%20570.48%20329.52%20329.52% Description...