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Chemical element with atomic number 61 (Pm)
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
Promethium
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
Isotopes_of_promethium
1978 manga series and its adaptations
give up their humanity. Eventually, Tetsuro and Maetel reach the Planet Promethium, the final stop for the 999. He is shocked by the cruelty and indolence
Galaxy_Express_999
Topics referred to by the same term
up Promethium or promethium in Wiktionary, the free dictionary. Promethium is a chemical element with symbol Pm and atomic number 61. Promethium may
Promethium_(disambiguation)
Light produced in a material by bombardment with ionizing radiation
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
Radioluminescence
2018 Australian film
Sanchez, the head of Promethium's Mexico plant. Unbeknownst to Harold, it is revealed that Sanchez has been selling Promethium's latest product, medical
Gringo_(2018_film)
Chemical compound
Promethium(III) oxalate is an oxalate of promethium, with the chemical formula Pm2(C2O4)3. Its decahydrate crystallizes in the monoclinic crystal system
Promethium(III)_oxalate
Chemical compound
Promethium nitride is a binary inorganic compound of promethium and nitrogen with the chemical formula PmN. PmN crystals are of cubic system with Fm3m
Promethium_nitride
Any of the fifteen lanthanides plus scandium and yttrium
chemical properties, but have different electrical and magnetic properties. Promethium does not occur naturally in the Earth's crust, except for a trace amount
Rare-earth_element
Chemical compound
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
Promethium(III)_hydroxide
Comics character
General Zahl and Madame Rouge. Dayton invents a form of uranium called Promethium to which is later used by Deathstroke and Cyborg. In Swamp Thing, Mento
Mento_(character)
Chemical compound
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
Promethium_iodate
Chemical compound
Promethium(III) chloride is a chemical compound of promethium and chlorine with the formula PmCl3. It is an ionic, water soluble, crystalline salt that
Promethium(III)_chloride
Chemical element with atomic number 88 (Ra)
long-lasting self-luminosity in darkness was required, safer radioactive promethium-147 (half-life 2.6 years) or tritium (half-life 12 years) paint was used;
Radium
British-born American chemist (1880–1928)
believed that he had found the final rare earth element 61, later named promethium. In 1999 the American Chemical Society recognized Charles James's work
Charles_James_(chemist)
Chemical compound
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)
Promethium(III)_bromide
Chemical compound
Promethium(III) nitrate is an inorganic compound, a salt of promethium and nitric acid with the chemical formula Pm(NO3)3. The compound is radioactive
Promethium(III)_nitrate
Paints that glow in the dark
half of the 20th century, radium was progressively replaced with promethium-147. Promethium is only a relatively low-energy beta-emitter, which, unlike alpha
Luminous_paint
Chemical compound
Promethium(III) sulfide is a binary inorganic compound with the chemical formula Pm2S3. Promethium(III) sulfide can be produced by treating metallic promethium
Promethium(III)_sulfide
Chemical compound
Promethium(III) fluoride or promethium trifluoride is a salt of promethium and fluorine with the formula PmF3. Promethium(III) fluoride is sparingly soluble
Promethium(III)_fluoride
Promethium compounds are compounds containing the element promethium, which normally take the +3 oxidation state. Promethium belongs to the cerium group
Promethium_compounds
Chemical compound
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
Promethium(III)_oxide
Tabular arrangement of the chemical elements
it was determined that they exist in nature: technetium (element 43), promethium (element 61), astatine (element 85), neptunium (element 93), and plutonium
Periodic_table
Rule for predicting stability of elements
radioisotopes. A consequence of this rule is that neither technetium nor promethium have any stable isotopes, as each of the neighboring elements on the periodic
Mattauch_isobar_rule
Chemical compound
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)
Promethium(III)_iodide
Chemical compound
Promethium monosulfide is a binary inorganic compound with the chemical formula PmS. The compound forms crystals structurally isomorphous with NaCl. Macintyre
Promethium_monosulfide
Chemical element with atomic number 69 (Tm)
abundant lanthanide in the Earth's crust, after radioactively unstable promethium. It is an easily workable metal with a bright silvery-gray luster. It
Thulium
Chemical element with atomic number 87 (Fr)
Aleksandr Aleksandrovich (1970). Analytical Chemistry of Technetium, Promethium, Astatine, and Francium. Translated by R. Kondor. Ann Arbor–Humphrey Science
Francium
Japanese manga series
planet. Promethium, known to Earthlings as Yukino Yayoi, is the current Millennial Queen. Some early promotional material identified her as Promethium II,
Queen_Millennia
Nuclide that does not undergo radioactive decay
hydrogen to lead, with the two exceptions, technetium (element 43) and promethium (element 61), that do not have any stable nuclides. As of 2024, there
Stable_nuclide
American chemist
2008) was an American chemist from Michigan who co-discovered the element promethium. Glendenin was born in Bay City, Michigan on November 8, 1918. He attended
Lawrence_E._Glendenin
Chemical element with atomic number 43 (Tc)
in the periodic table by elements with stable forms, the other being promethium. All available technetium is produced as a synthetic element. Naturally
Technetium
Chemical element with atomic number 60 (Nd)
the lanthanides praseodymium to its left and the radioactive element promethium to its right, and above the actinide uranium. Its 60 electrons are arranged
Neodymium
Chemical substance not composed of simpler ones
of these occur in extreme trace amounts: technetium, atomic number 43; promethium, number 61; astatine, number 85; francium, number 87; neptunium, number
Chemical_element
Supervillain appearing in DC Comics
the element Promethium from S.T.A.R. Labs and selling it as a weapon. He then kidnaps the Titans and places them in the path of a Promethium bomb to test
Deathstroke
English physicist (1887–1915)
to be the places of the radioactive synthetic elements technetium and promethium, and also the last two quite rare naturally occurring stable elements
Henry_Moseley
Chemical elements that do not occur naturally
they were later found in nature in trace quantities: technetium (43Tc), promethium (61Pm), astatine (85At), neptunium (93Np), and plutonium (94Pu); although
Synthetic_element
American chemist
September 1, 2005) was a chemist who was the co-discoverer of the element promethium. Marinsky was born in Buffalo, New York on April 11, 1918. He attended
Jacob_A._Marinsky
Chemical compound
Promethium(III) phosphate is an inorganic compound, a salt of promethium and phosphate, with the chemical formula of PmPO4. It is radioactive. Its hydrate
Promethium(III)_phosphate
70 seconds. The most stable artificial isotope is 147Nd, the parent of promethium, with a half-life of 10.98 days. This element also has 15 known meta states
Isotopes_of_neodymium
Betavoltaic battery
at the American corporation McDonnell Douglas, using the radioisotope promethium-147 as the beta-electron source coupled to silicon semiconductor cells
Betacel
Story arc from the 1994 animated series Spider-Man that focused on Venom
Stevens discover a rock known as Promethium X, which is said to be more powerful than plutonium. Unknown to the two, Promethium X also contains a mysterious
The_Venom_Saga
Triflate salts of the lanthanides
Lanthanide triflates are triflate salts of the lanthanides. These salts have been investigated for application in organic synthesis as Lewis acid catalysts
Lanthanide trifluoromethanesulfonates
Lanthanide_trifluoromethanesulfonates
Chemical element with atomic number 118 (Og)
Tellurium Iodine Xenon Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium
Oganesson
Video game franchise
The Legend of Heroes: Trails of Destiny, a tabletop game designed by Promethium Books, was released in 2024. A trading card game by TCG Corporation was
Trails_(series)
Bi; the currently accepted half-life is 2.01×1019 years. Technetium and promethium (atomic numbers 43 and 61, respectively) and all the elements with an
List of elements by stability of isotopes
List_of_elements_by_stability_of_isotopes
Chemical element with atomic number 52 (Te)
(Dy), holmium (Ho), erbium (Er), and thulium (Tm). Compounds containing promethium (Pm), europium (Eu), ytterbium (Yb), and lutetium (Lu) have not yet been
Tellurium
Element whose atomic number is greater than 92
uranium and thorium (such as radium). The exceptions are technetium, promethium, astatine, and francium; all four occur in nature, but only in very minor
Transuranium_element
isotopes of samarium primarily decay by electron capture to isotopes of promethium, while heavier ones decay by beta decay to isotopes of europium. A 2012
Isotopes_of_samarium
Variable star in the constellation Andromeda
element promethium in its emission spectrum. All isotopes of this element are radioactive with half-lives of 17.7 years or less. The promethium in the
GY_Andromedae
Finnish chemist and professor
from 1947 to 1973. In 1965, he reported the isolation of the element promethium from natural sources. Erämetsä studied the presence of trace elements
Olavi_Erämetsä
Set of stealthy and continuous computer hacking processes
(also known as APT44) Venomous Bear StrongPity (also known as APT-C-41 or PROMETHIUM) Equation Group SandCat, associated with the State Security Service according
Advanced_persistent_threat
Aleksandr Aleksandrovich (1970). Analytical Chemistry of Technetium, Promethium, Astatine, and Francium. Translated by R. Kondor. Ann Arbor–Humphrey Science
Melting points of the elements (data page)
Melting_points_of_the_elements_(data_page)
Chemical element with atomic number 19 (K)
Tellurium Iodine Xenon Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium
Potassium
1979 Japanese film
mechanized in the presence of Maetel's mother and ruler of Andromeda, Queen Promethium. Before this can happen, Maetel, desperate to save her young companion
Galaxy_Express_999_(film)
Isotope of samarium
isotope of samarium Heavier: samarium-148 Decay product of: gadolinium-151 (α) promethium-147 (β−) Decay chain of samarium-147 Decays to: neodymium-143 (α)
Samarium-147
Topics referred to by the same term
smaller than 10 μm Powder metallurgy, a method of fabricating metals Promethium, symbol Pm, a chemical element Pm (space group), three-dimensional space
PM
Chemical element with atomic number 47 (Ag)
Tellurium Iodine Xenon Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium
Silver
than europium Isotopes of gadolinium Isotopes of samarium Isotopes of promethium Kondev, F. G.; Wang, M.; Huang, W. J.; Naimi, S.; Audi, G. (2021). "The
Isotopes_of_europium
Chemical element with atomic number 57 (La)
refers to all the rare-earth metals except scandium and the radioactive promethium (mostly Ce, La, and Y). Bastnäsite is usually lacking in thorium and the
Lanthanum
Chemical element with atomic number 8 (O)
Tellurium Iodine Xenon Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium
Oxygen
breaks where the unstable elements technetium (atomic number 43) and promethium (number 61) would be. These elements are surrounded by stable elements
Abundance of the chemical elements
Abundance_of_the_chemical_elements
6 f-block 144.24 7.01 1297 3347 0.19 1.14 41.5 primordial solid 61 Pm Promethium f-block groups 6 f-block [145] 7.26 1315 3273 – 1.13 2×10−19 from decay
List_of_chemical_elements
Chemical element with atomic number 67 (Ho)
abundant of the odd-numbered heavy lanthanides. Of the lanthanides, only promethium, thulium, lutetium and terbium are less abundant on Earth. The principal
Holmium
American chemist
was an American chemist who was one of the discoverers of the element promethium. Coryell earned a Ph.D. at California Institute of Technology in 1935
Charles_D._Coryell
Graph of neutrons vs. protons in nuclides
have stable isotopes, with the exceptions of technetium (Z = 43) and promethium (Z = 61). For convenience, three different views of the data are available
Table_of_nuclides
Chemical element with atomic number 80 (Hg)
Tellurium Iodine Xenon Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium
Mercury_(element)
Chemical element with atomic number 85 (At)
Aleksandr Aleksandrovich (1970). Analytical Chemistry of Technetium, Promethium, Astatine, and Francium. Translated by R. Kondor. Ann Arbor–Humphrey Science
Astatine
Chemical element with atomic number 10 (Ne)
Tellurium Iodine Xenon Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium
Neon
Figure in Greek mythology
kink. The magazine now exists online. The artificial chemical element promethium is named after Prometheus. Saturn's moon Prometheus is named after him
Prometheus
Chemical element with atomic number 29 (Cu)
Tellurium Iodine Xenon Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium
Copper
Chemical element with atomic number 115 (Mc)
Tellurium Iodine Xenon Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium
Moscovium
Aleksandr Aleksandrovich (1970). Analytical Chemistry of Technetium, Promethium, Astatine, and Francium. Translated by R. Kondor. Ann Arbor–Humphrey Science
Boiling points of the elements (data page)
Boiling_points_of_the_elements_(data_page)
Chemical element with atomic number 9 (F)
Tellurium Iodine Xenon Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium
Fluorine
Distinctive narrow spectral feature of chemical species
56 Ba lanthanum 57 La cerium 58 Ce praseodymium 59 Pr neodymium 60 Nd promethium 61 Pm samarium 62 Sm europium 63 Eu gadolinium 64 Gd terbium 65 Tb dysprosium
Spectral_line
Isotopes of terbium Isotopes of europium Isotopes of samarium Isotopes of promethium Kondev, F. G.; Wang, M.; Huang, W. J.; Naimi, S.; Audi, G. (2021). "The
Isotopes_of_gadolinium
Atom that has excess nuclear energy, making it unstable
Elements heavier than lead (Z > 82), and the elements technetium and promethium, have only radionuclides and do not exist in stable forms, though bismuth
Radionuclide
Chemical element with atomic number 6 (C)
Tellurium Iodine Xenon Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium
Carbon
Chemical element with atomic number 33 (As)
Tellurium Iodine Xenon Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium
Arsenic
Group 15 elements of the periodic table with valency 5
Tellurium Iodine Xenon Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium
Pnictogen
Chemical element with atomic number 99 (Es)
Tellurium Iodine Xenon Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium
Einsteinium
Star in the constellation Centaurus
and promethium. While the longest-lived known isotopes of technetium have half-lives in the millions of years, the longest-lived known promethium isotope
Przybylski's_Star
Chemical element with atomic number 98 (Cf)
Tellurium Iodine Xenon Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium
Californium
Canadian voice actress
Express 999 (1979) – Maetel, Kenae Hoshino, Promethium Adieu Galaxy Express 999 (1981) – Maetel, Queen Promethium Superbook (1981) – Salome, Noah's Wife,
Kathleen_Barr
tracer Cesium 137 30.2 Nuclear weapons and nuclear reactors (accidents) Promethium 147 2.62 Naturally occurring fission product Radon 226 1,600 Rain and
Radioanalytical_chemistry
Chemical element with atomic number 5 (B)
Tellurium Iodine Xenon Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium
Boron
Chemical element with atomic number 84 (Po)
Tellurium Iodine Xenon Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium
Polonium
Chemical element with atomic number 27 (Co)
Tellurium Iodine Xenon Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium
Cobalt
Nuclides predating the Earth's formation (found on Earth)
through lead, atomic numbers 1 to 82, except for technetium (43) and promethium (61)—and three radioactive primordial elements—bismuth (83), thorium (90)
Primordial_nuclide
Chemical element with atomic number 53 (I)
Tellurium Iodine Xenon Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium
Iodine
Canadian politician who discovered Promethium (1900–1972)
the 1937 provincial election. A research chemist, he was a discoverer of Promethium (element 61). "The Canadian Parliamentary Guide". 1934. Death v t e
Joseph_Allen_Harris
Decrease of ionic radii across the lanthanide series
experimentally observed in aqueous solutions of lanthanides, including radioactive promethium, through X-ray absorption spectroscopy measurements. The results of the
Lanthanide_contraction
Chemical element with atomic number 81 (Tl)
Tellurium Iodine Xenon Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium
Thallium
Chemical compound
Promethocene is a metal-organic compound of promethium with the chemical formula Pm(C5H5)3. It is radioactive and stable in dry air. Promethocene is different
Promethocene
Chemical element with atomic number 79 (Au)
Tellurium Iodine Xenon Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium
Gold
List of history of chemical elements
Bibcode:1951JAChS..73.3396W. doi:10.1021/ja01151a116. ISSN 0002-7863. "61 Promethium". Elements.vanderkrogt.net. Retrieved 12 September 2008. Emsley, John
Timeline of chemical element discoveries
Timeline_of_chemical_element_discoveries
impact on the naming of elements. Helium, titanium, selenium, palladium, promethium, cerium, europium, tantalum, mercury, thorium, uranium, neptunium and
List of chemical elements named after people
List_of_chemical_elements_named_after_people
Chemical element with atomic number 74 (W)
Tellurium Iodine Xenon Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium
Tungsten
Chemical element with atomic number 71 (Lu)
Tellurium Iodine Xenon Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium
Lutetium
Breakdown of nuclear fission results
This page discusses each of the main elements in the mixture of fission products produced by nuclear fission of the common nuclear fuels uranium and plutonium
Fission_products_(by_element)
PROMETHIUM
PROMETHIUM
PROMETHIUM
PROMETHIUM
Girl/Female
Muslim
A queen
Surname or Lastname
English
English : variant of Kemery.
Surname or Lastname
English
English : variant spelling of Beer.
Girl/Female
Tamil
Swapnalatha | ஸà¯à®µà®ªà¯à®¨à®¾à®²à®¾à®¤à®¾Â
So sweet
Boy/Male
Tamil
Brilliant
Boy/Male
Italian Latin Spanish
Lucky.
Boy/Male
Tamil
Vidyanand | விதà¯à®¯à®¾à®¨à®‚த
One who is Happy with knowledge
Surname or Lastname
English (also common in Wales)
English (also common in Wales) : patronymic from the Middle English and Anglo-Norman French personal name Hugh.Welsh : variant of Howells.Irish and Scottish : variant Anglicization of Gaelic Mac Aodha (see McCoy).
Male
Spanish
Portuguese and Spanish form of Latin Reginaldus, REINALDO means "wise ruler."
Boy/Male
Muslim/Islamic
Intelligent
PROMETHIUM
PROMETHIUM
PROMETHIUM
PROMETHIUM
PROMETHIUM