molybdenum$49909$ - определение. Что такое molybdenum$49909$
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Что (кто) такое molybdenum$49909$ - определение

Isotopes of Molybdenum; Molybdenum-99; Molybdenum-100; Molybdenum-83; Molybdenum-84; Molybdenum-85; Molybdenum-86; Molybdenum-87; Molybdenum-88; Molybdenum-89; Molybdenum-90; Molybdenum-91; Molybdenum-92; Molybdenum-93; Molybdenum-94; Molybdenum-95; Molybdenum-96; Molybdenum-97; Molybdenum-98; Molybdenum-101; Molybdenum-102; Molybdenum-103; Molybdenum-104; Molybdenum-105; Molybdenum-106; Molybdenum-107; Molybdenum-108; Molybdenum-109; Molybdenum-110; Molybdenum-111; Molybdenum-112; Molybdenum-113; Molybdenum-114; Molybdenum-115; Mo-99; 99Mo; Moly-99; Molybdenum isotopes; Molybdenum isotope

molybdenum         
  • Structure of the [[FeMoco]] active site of [[nitrogenase]].
  • [[Molybdenite]] on quartz
  • The molybdenum cofactor (pictured) is composed of a molybdenum-free organic complex called [[molybdopterin]], which has bound an oxidized molybdenum(VI) atom through adjacent sulfur (or occasionally selenium) atoms. Except for the ancient nitrogenases, all known Mo-using enzymes use this cofactor.
  • World production trend
  • [[Keggin structure]] of the phosphomolybdate anion (P[Mo<sub>12</sub>O<sub>40</sub>]<sup>3−</sup>), an example of a [[polyoxometalate]]
  • A plate of molybdenum copper alloy
CHEMICAL ELEMENT WITH SYMBOL MO AND ATOMIC NUMBER 42
Element 42; Molybdic; Molybdous; Molybdinum; Molybdenum alloys; Molybdenum alloy; Molybdenom; Molybdenium; Molybendium; Mo (element); Molibdenum; Molybdenim; Biological roles of molybdenum; Molybendum; Molybdenum compound; Molybdenum compounds; Compounds of molybdenum; History of molybdenum
[m?'l?bd?n?m]
¦ noun the chemical element of atomic number 42, a brittle silver-grey metal. (Symbol: Mo)
Origin
C19: mod. L., earlier molybdena (orig. denoting a salt of lead), from Gk molubdaina 'plummet', from molubdos 'lead'.
Molybdic         
  • Structure of the [[FeMoco]] active site of [[nitrogenase]].
  • [[Molybdenite]] on quartz
  • The molybdenum cofactor (pictured) is composed of a molybdenum-free organic complex called [[molybdopterin]], which has bound an oxidized molybdenum(VI) atom through adjacent sulfur (or occasionally selenium) atoms. Except for the ancient nitrogenases, all known Mo-using enzymes use this cofactor.
  • World production trend
  • [[Keggin structure]] of the phosphomolybdate anion (P[Mo<sub>12</sub>O<sub>40</sub>]<sup>3−</sup>), an example of a [[polyoxometalate]]
  • A plate of molybdenum copper alloy
CHEMICAL ELEMENT WITH SYMBOL MO AND ATOMIC NUMBER 42
Element 42; Molybdic; Molybdous; Molybdinum; Molybdenum alloys; Molybdenum alloy; Molybdenom; Molybdenium; Molybendium; Mo (element); Molibdenum; Molybdenim; Biological roles of molybdenum; Molybendum; Molybdenum compound; Molybdenum compounds; Compounds of molybdenum; History of molybdenum
·adj Of, pertaining to, or containing, molybdenum; specif., designating those compounds in which the element has a higher valence, as contrasted with molybdous compounds; as, molybdic oxide.
Molybdenum         
  • Structure of the [[FeMoco]] active site of [[nitrogenase]].
  • [[Molybdenite]] on quartz
  • The molybdenum cofactor (pictured) is composed of a molybdenum-free organic complex called [[molybdopterin]], which has bound an oxidized molybdenum(VI) atom through adjacent sulfur (or occasionally selenium) atoms. Except for the ancient nitrogenases, all known Mo-using enzymes use this cofactor.
  • World production trend
  • [[Keggin structure]] of the phosphomolybdate anion (P[Mo<sub>12</sub>O<sub>40</sub>]<sup>3−</sup>), an example of a [[polyoxometalate]]
  • A plate of molybdenum copper alloy
CHEMICAL ELEMENT WITH SYMBOL MO AND ATOMIC NUMBER 42
Element 42; Molybdic; Molybdous; Molybdinum; Molybdenum alloys; Molybdenum alloy; Molybdenom; Molybdenium; Molybendium; Mo (element); Molibdenum; Molybdenim; Biological roles of molybdenum; Molybendum; Molybdenum compound; Molybdenum compounds; Compounds of molybdenum; History of molybdenum
·noun A rare element of the chromium group, occurring in nature in the minerals molybdenite and wulfenite, and when reduced obtained as a hard, silver-white, difficulty fusible metal. Symbol Mo. Atomic weight 95.9.

Википедия

Isotopes of molybdenum

Molybdenum (42Mo) has 33 known isotopes, ranging in atomic mass from 83 to 115, as well as four metastable nuclear isomers. Seven isotopes occur naturally, with atomic masses of 92, 94, 95, 96, 97, 98, and 100. All unstable isotopes of molybdenum decay into isotopes of zirconium, niobium, technetium, and ruthenium.

Molybdenum-100 is the only naturally occurring isotope that is not stable. Molybdenum-100 has a half-life of approximately 1×1019 y and undergoes double beta decay into ruthenium-100. Molybdenum-98 is the most common isotope, comprising 24.14% of all molybdenum on Earth. Molybdenum isotopes with mass numbers 111 and up all have half-lives of approximately .15 s.