موليبډينوم

د ويکيپېډيا، وړیا پوهنغونډ له خوا
(له Molybdenum نه مخ گرځېدلی)
و اصلی برخی ته ورشی د پلټنې ځای ته ورټوپ کړی
Molybdenum,  42Mo
Molybdenum crystaline fragment and 1cm3 cube.jpg
عمومي خواص
Pronunciation /ˌmɒlɪbˈdnəm/ or /məˈlɪbdɪnəm/
MOL-ib-DEE-nəm or -LIB-DIN-əm
Appearance gray metallic
Molybdenum په دوراني جدول کې
Hydrogen (diatomic nonmetal)
Helium (noble gas)
Lithium (alkali metal)
Beryllium (alkaline earth metal)
Boron (metalloid)
Carbon (polyatomic nonmetal)
Nitrogen (diatomic nonmetal)
Oxygen (diatomic nonmetal)
Fluorine (diatomic nonmetal)
Neon (noble gas)
Sodium (alkali metal)
Magnesium (alkaline earth metal)
Aluminium (post-transition metal)
Silicon (metalloid)
Phosphorus (polyatomic nonmetal)
Sulfur (polyatomic nonmetal)
Chlorine (diatomic nonmetal)
Argon (noble gas)
Potassium (alkali metal)
Calcium (alkaline earth metal)
Scandium (transition metal)
Titanium (transition metal)
Vanadium (transition metal)
Chromium (transition metal)
Manganese (transition metal)
Iron (transition metal)
Cobalt (transition metal)
Nickel (transition metal)
Copper (transition metal)
Zinc (transition metal)
Gallium (post-transition metal)
Germanium (metalloid)
Arsenic (metalloid)
Selenium (polyatomic nonmetal)
Bromine (diatomic nonmetal)
Krypton (noble gas)
Rubidium (alkali metal)
Strontium (alkaline earth metal)
Yttrium (transition metal)
Zirconium (transition metal)
Niobium (transition metal)
Molybdenum (transition metal)
Technetium (transition metal)
Ruthenium (transition metal)
Rhodium (transition metal)
Palladium (transition metal)
Silver (transition metal)
Cadmium (transition metal)
Indium (post-transition metal)
Tin (post-transition metal)
Antimony (metalloid)
Tellurium (metalloid)
Iodine (diatomic nonmetal)
Xenon (noble gas)
Caesium (alkali metal)
Barium (alkaline earth metal)
Lanthanum (lanthanide)
Cerium (lanthanide)
Praseodymium (lanthanide)
Neodymium (lanthanide)
Promethium (lanthanide)
Samarium (lanthanide)
Europium (lanthanide)
Gadolinium (lanthanide)
Terbium (lanthanide)
Dysprosium (lanthanide)
Holmium (lanthanide)
Erbium (lanthanide)
Thulium (lanthanide)
Ytterbium (lanthanide)
Lutetium (lanthanide)
Hafnium (transition metal)
Tantalum (transition metal)
Tungsten (transition metal)
Rhenium (transition metal)
Osmium (transition metal)
Iridium (transition metal)
Platinum (transition metal)
Gold (transition metal)
Mercury (transition metal)
Thallium (post-transition metal)
Lead (post-transition metal)
Bismuth (post-transition metal)
Polonium (post-transition metal)
Astatine (metalloid)
Radon (noble gas)
Francium (alkali metal)
Radium (alkaline earth metal)
Actinium (actinide)
Thorium (actinide)
Protactinium (actinide)
Uranium (actinide)
Neptunium (actinide)
Plutonium (actinide)
Americium (actinide)
Curium (actinide)
Berkelium (actinide)
Californium (actinide)
Einsteinium (actinide)
Fermium (actinide)
Mendelevium (actinide)
Nobelium (actinide)
Lawrencium (actinide)
Rutherfordium (transition metal)
Dubnium (transition metal)
Seaborgium (transition metal)
Bohrium (transition metal)
Hassium (transition metal)
Meitnerium (unknown chemical properties)
Darmstadtium (unknown chemical properties)
Roentgenium (unknown chemical properties)
Copernicium (transition metal)
Nihonium (unknown chemical properties)
Flerovium (unknown chemical properties)
Moscovium (unknown chemical properties)
Livermorium (unknown chemical properties)
Tennessine (unknown chemical properties)
Oganesson (unknown chemical properties)
Cr

Mo

W
niobiummolybdenumtechnetium
اټومي شمیره (Z) 42
گروپ, پیریود group 6, period 5
بلاک d-block
Element category   transition metal
معياري اټومي وزن (Ar) کينډۍ:Val[۱]
Electron configuration [Kr] 4d5 5s1
Electrons per shell
2, 8, 18, 13, 1
فزیکي خواص
حالت (at STP) جامد
دويلې کيدو ټکى 2896 K ​(2623 °C, ​4753 °F)
يشنا ټکی 4912 K ​(4639 °C, ​8382 °F)
Density near r.t. 10.28 g/cm3
when liquid, at m.p. 9.33 g/cm3
Heat of fusion 37.48 kJ/mol
Heat of vaporization 598 kJ/mol
Molar heat capacity 24.06 J/(mol·K)
Vapor pressure
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 2742 2994 3312 3707 4212 4879
اټومي خواص
Oxidation states 6, 5, 4, 3, 2, 1,[۲] −1, −2, −4 ​(a strongly acidic oxide)
Electronegativity Pauling scale: 2.16
Ionization energies
  • 1st: 684.3 kJ/mol
  • 2nd: 1560 kJ/mol
  • 3rd: 2618 kJ/mol
Atomic radius empirical: 139 pm
Covalent radius 154±5 pm
Miscellanea
Crystal structurebody-centered cubic (bcc)
Body-centered cubic crystal structure for molybdenum
Speed of sound thin rod 5400 m/s (at r.t.)
Thermal expansion 4.8 µm/(m·K) (at 25 °C)
د تودوخې تېرېدنه 138 W/(m·K)
Thermal diffusivity 54.3 mm2/s (at 300 K)[۳]
Electrical resistivity 53.4 nΩ·m (at 20 °C)
Magnetic ordering paramagnetic[۴]
Magnetic susceptibility (χmol) +89.0·10−6 cm3/mol (298 K)[۵]
Young's modulus 329 GPa
Shear modulus 126 GPa
Bulk modulus 230 GPa
Poisson ratio 0.31
Mohs hardness 5.5
Vickers hardness 1400–2740 MPa
Brinell hardness 1370–2500 MPa
CAS Number 7439-98-7
History
Discovery Carl Wilhelm Scheele (1778)
First isolation Peter Jacob Hjelm (1781)
Main isotopes of molybdenum
آيسو­ټوپ Abun­dance نیم ژوند (t1/2) Decay mode Pro­duct
92Mo 14.65% stable
93Mo syn 4×103 y ε 93Nb
94Mo 9.19% stable
95Mo 15.87% stable
96Mo 16.67% stable
97Mo 9.58% stable
98Mo 24.29% stable

کينډۍ:Infobox element/isotopes decay2

100Mo 9.74% 7.8×1018 y ββ 100Ru
| references | in Wikidata

موليبډينوم (په انگرېزي: Molybdenum) له کیمیاوي عناصرو څخه یو دی چې په تناوبي جدول کې د Mo سمبول او ۴۲ اتمي شمېرې په وسیله ښودل شوی دی.

مشخصات[سمول]

تاریخچه[سمول]

مرکبات[سمول]

د استعمال ځایونه[سمول]

سرچينې[سمول]

  1. Meija, J.; Coplen, T. B. (2016). "Atomic weights of the elements 2013 (IUPAC Technical Report)". Pure Appl. Chem. 88 (3): 265-91. doi:10.1515/pac-2015-0305. https://www.degruyter.com/downloadpdf/j/pac.2016.88.issue-3/pac-2015-0305/pac-2015-0305.xml. 
  2. . Molybdenum: molybdenum(I) fluoride compound data. OpenMOPAC.net
  3. Lindemann, A.; Blumm, J. (2009). [اصطلاحي تېروتنه: د ناپېژندلې ليکنښې لوښه "۱". Measurement of the Thermophysical Properties of Pure Molybdenum]. 3. 17th Plansee Seminar. 
  4. Lide, D. R., ed (2005). "Magnetic susceptibility of the elements and inorganic compounds". CRC Handbook of Chemistry and Physics (86th ed.). Boca Raton (FL): CRC Press. ISBN 0-8493-0486-5. http://web.archive.org/web/20110303222309/http://www-d0.fnal.gov/hardware/cal/lvps_info/engineering/elementmagn.pdf. 
  5. Weast, Robert (1984). [اصطلاحي تېروتنه: د ناپېژندلې ليکنښې لوښه "۱". CRC, Handbook of Chemistry and Physics]. Boca Raton, Florida: Chemical Rubber Company Publishing. pp. E110. ISBN 0-8493-0464-4. 

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