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promethium

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promethium
promethium Chem. (prəʊˈmiːθɪəm) orig. -eum. [mod.L.: see Prometheus and -ium.] An artificially produced metallic element (traces of which have subsequently been found in nature) which is a lanthanide whose longest-lived isotope has a half-life of about 18 years. Atomic number 61; symbol Pm. Cf. illi... Oxford English Dictionary
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Promethium (disambiguation)
Promethium is a chemical element with symbol Pm and atomic number 61. Promethium may also refer to: Fictional entities Promethium, a fictional petroleum-based fossil fuel as well as a refined napalm-like substance in Warhammer wikipedia.org
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Joystiq Interview: Chris Paladino, Promethium Marketing - Engadget
In an interview with Joystiq, Chris Paladino discussed forming the new company, its plans for world domination, Microsoft's decision to dismantle his team and the overuse of Twitter.
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Promethium(III) iodide
→ PmI3 + 3 HCl From the reaction of a HI-H2 mixture and promethium oxide (Pm2O3), only promethium oxyiodide (PmOI) can be obtained. Promethium oxide reacts with molten aluminum iodide at 500°C to form promethium iodide. References Iodides Promethium compounds Lanthanide halides wikipedia.org
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illinium
illinium Chem. (ɪˈlɪnɪəm) [Named after the University of Illinois, where the work reported in quot. 1926 was carried out: see -ium.] A disused name for the element now called promethium.1926 J. A. Harris et al. in Nature 5 June 792/2 X-ray analysis confirmed the theory and showed the presence of ele... Oxford English Dictionary
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Promethium(III) hydroxide
Promethium(III) hydroxide is an inorganic compound with a chemical formula Pm(OH)3. It is a radioactive compound. Production Promethium(III) hydroxide can be produced by reacting ammonia water with a solution of a promethium(III) salt, from which promethium(III) hydroxide wikipedia.org
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florentium
florentium Chem. (fləˈrɛnʃɪəm) [a. It. florentium (also florenzio) (Rolla & Fernandes 1924: see Gazz. chim. ital. (1926) LVI. 862–4 and Atti Accad. Lincei: Rend. (Sci. fisiche, etc.) (1926) IV. 498–500), f. Florentia, ancient name of Florence, Italy + -ium.] A disused name for the element promethium... Oxford English Dictionary
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Promethium(III) chloride
Promethium(III) chloride is a chemical compound of promethium and chlorine with the formula PmCl3. Preparation Promethium(III) chloride is obtained from promethium(III) oxide by heating it in a stream of dry HCl at 580 °C. wikipedia.org
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Promethium(III) bromide
Preparation Promethium(III) bromide can be obtained by reacting hydrogen bromide and promethium(III) oxide: Pm2O3 + 6 HBr —500°C→ 2 PmBr3 + 3 H2O Promethium Instead it decomposes in water to form promethium oxybromide: PmBr3 + H2O(g) → PmOBr + 2 HBr References Bromides Promethium compounds Lanthanide halides wikipedia.org
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Promethium(III) fluoride
Promethium(III) fluoride or promethium trifluoride is a salt of promethium and fluorine with the formula PmF3. Promethium(III) fluoride is sparingly soluble in water. wikipedia.org
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Promethium(III) nitrate
Promethium(III) nitrate is an inorganic compound, a salt of promethium and nitric acid with the chemical formula Pm(NO3)3. Chemical properties Promethium(III) nitrate thermally decomposes to form Promethium(III) oxide. References Promethium compounds Nitrates wikipedia.org
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Promethium(III) oxide
Promethium(III) oxide is a compound with the formula Pm2O3. It is the most common form of promethium. References Promethium compounds Sesquioxides wikipedia.org
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Promethium compounds
Promethium compounds are compounds containing the element promethium, which normally take the +3 oxidation state. References Promethium Promethium compounds Chemical compounds by element wikipedia.org
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Promethium(III) phosphate
Promethium(III) phosphate is an inorganic compound, a salt of promethium and phosphate, with the chemical formula of PmPO4. It is radioactive. References Promethium compounds Phosphates wikipedia.org
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Isotopes of promethium
The isotopes of promethium range in mass number from 126 to 166. Promethium Promethium wikipedia.org
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