Promethium is a chemical element; it has symbol Pm and atomic number 61. All of its isotopes are radioactive; it is extremely rare, with only about 500–600...
40 KB (4,785 words) - 08:03, 13 August 2024
Promethium (61Pm) is an artificial element, except in trace quantities as a product of spontaneous fission of 238U and 235U and alpha decay of 151Eu, and...
17 KB (829 words) - 01:16, 15 May 2024
Promethium nitride is a binary inorganic compound of promethium and nitrogen with the chemical formula PmN. PmN crystals are of cubic system with Fm3m...
2 KB (144 words) - 21:52, 17 June 2024
up Promethium or promethium in Wiktionary, the free dictionary. Promethium is a chemical element with symbol Pm and atomic number 61. Promethium may...
863 bytes (154 words) - 20:31, 23 April 2024
Promethium monosulfide is a binary inorganic compound with the chemical formula PmS. The compound forms crystals structurally isomorphous with NaCl. Macintyre...
1 KB (44 words) - 11:26, 30 July 2024
Promethium(III) oxalate is an oxalate of promethium, with the chemical formula Pm2(C2O4)3. Its decahydrate crystallizes in the monoclinic crystal system...
3 KB (198 words) - 13:44, 2 March 2024
Promethium iodate is an inorganic compound with the chemical formula Pm(IO3)3. It can be obtained by reacting with potassium iodate, ammonium iodate or...
3 KB (213 words) - 16:05, 21 March 2024
Promethium(III) sulfide is a binary inorganic compound with the chemical formula Pm2S3. The compound can be prepared by reacting promethium and sulfur...
2 KB (120 words) - 05:16, 12 August 2024
Mento (character) (redirect from Promethium (comics))
Dayton during this time invents an exaggerated form of uranium called Promethium to which is later used by Deathstroke the Terminator and Vic Stone/Cyborg...
12 KB (1,327 words) - 14:53, 29 July 2024
Promethium(III) oxide is a compound with the formula Pm2O3. It is the most common form of promethium. Promethium oxide exists in three major crystalline...
2 KB (124 words) - 20:05, 18 January 2023
Promethium(III) iodide is an inorganic compound, with the chemical formula of PmI3. It is a red radioactive solid with a melting point of 695 °C. Promethium(III)...
3 KB (192 words) - 00:58, 6 December 2023
Tellurium Iodine Xenon Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium...
141 KB (15,985 words) - 20:56, 10 August 2024
Radioluminescence (section Promethium)
promethium dials also dropped by half every 2.62 years, giving them a short useful life, which led to promethium's replacement by tritium. Promethium-based...
10 KB (1,213 words) - 02:44, 9 May 2024
Promethium compounds are compounds containing the element promethium, which normally take the +3 oxidation state. Promethium belongs to the cerium group...
7 KB (567 words) - 07:45, 4 February 2024
Luminous paint (section Promethium)
half of the 20th century, radium was progressively replaced with promethium-147. Promethium is only a relatively low-energy beta-emitter, which, unlike alpha...
11 KB (1,365 words) - 13:37, 12 March 2024
have at least one stable isotope (except for technetium, element 43 and promethium, element 61, which have no stable isotopes). Isotopes considered stable...
74 KB (9,741 words) - 18:18, 7 July 2024
kink. The magazine now exists online. The artificial chemical element promethium is named after Prometheus. Saturn's moon Prometheus is named after him...
84 KB (10,331 words) - 18:46, 2 August 2024
Promethium(III) chloride is a chemical compound of promethium and chlorine with the formula PmCl3. It is an ionic, water soluble, crystalline salt that...
4 KB (372 words) - 11:48, 8 July 2023
meet Sanchez, head of Promethium's Mexico plant. Unbeknownst to Harold, it is revealed that Sanchez has been selling Promethium's latest product, medical...
15 KB (1,614 words) - 13:49, 11 March 2024
176). Promethium(III) bromide can be obtained by reacting hydrogen bromide and promethium(III) oxide: Pm2O3 + 6 HBr —500°C→ 2 PmBr3 + 3 H2O Promethium(III)...
3 KB (180 words) - 01:33, 4 April 2023
Promethium(III) phosphate is an inorganic compound, a salt of promethium and phosphate, with the chemical formula of PmPO4. It is radioactive. Its hydrate...
2 KB (176 words) - 12:44, 8 September 2022
Tellurium Iodine Xenon Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium...
99 KB (11,030 words) - 10:14, 13 August 2024
Tellurium Iodine Xenon Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium...
70 KB (8,195 words) - 14:06, 11 August 2024
Promethium(III) hydroxide is an inorganic compound with a chemical formula Pm(OH)3. It is a radioactive compound. Promethium(III) hydroxide can be produced...
3 KB (114 words) - 17:09, 27 January 2024
Tellurium Iodine Xenon Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium...
66 KB (7,049 words) - 21:40, 14 July 2024
Tellurium Iodine Xenon Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium...
143 KB (16,221 words) - 14:27, 15 August 2024
Tellurium Iodine Xenon Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium...
110 KB (12,436 words) - 13:31, 13 August 2024
Tellurium Iodine Xenon Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium...
86 KB (9,727 words) - 13:56, 14 August 2024
Tellurium Iodine Xenon Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium...
141 KB (13,753 words) - 18:30, 14 August 2024
Tellurium Iodine Xenon Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium...
95 KB (10,852 words) - 03:22, 27 July 2024