ମଲିବ୍‌ଡ଼େନମ

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Molybdenum,  42Mo
Molybdenum crystaline fragment and 1cm3 cube.jpg
ସାଧାରଣ ଗୁଣ
ନାମ, ପ୍ରତୀକmolybdenum, Mo
Appearancegray metallic
ଉଚ୍ଚାରଣ /ˌmɒlɪbˈdnəm/ MOL-ib-DEE-nəm
or /məˈlɪbdɪnəm/ mə-LIB-di-nəm
Molybdenum in the periodic table
Hydrogen (other non-metal)
Helium (noble gas)
Lithium (alkali metal)
Beryllium (alkaline earth metal)
Boron (metalloid)
Carbon (other non-metal)
Nitrogen (other non-metal)
Oxygen (other non-metal)
Fluorine (halogen)
Neon (noble gas)
Sodium (alkali metal)
Magnesium (alkaline earth metal)
Aluminium (post-transition metal)
Silicon (metalloid)
Phosphorus (other non-metal)
Sulfur (other non-metal)
Chlorine (halogen)
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 (other non-metal)
Bromine (halogen)
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 (halogen)
Xenon (noble gas)
Caesium (alkali metal)
Barium (alkaline earth metal)
Lanthanum (lanthanoid)
Cerium (lanthanoid)
Praseodymium (lanthanoid)
Neodymium (lanthanoid)
Promethium (lanthanoid)
Samarium (lanthanoid)
Europium (lanthanoid)
Gadolinium (lanthanoid)
Terbium (lanthanoid)
Dysprosium (lanthanoid)
Holmium (lanthanoid)
Erbium (lanthanoid)
Thulium (lanthanoid)
Ytterbium (lanthanoid)
Lutetium (lanthanoid)
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 (halogen)
Radon (noble gas)
Francium (alkali metal)
Radium (alkaline earth metal)
Actinium (actinoid)
Thorium (actinoid)
Protactinium (actinoid)
Uranium (actinoid)
Neptunium (actinoid)
Plutonium (actinoid)
Americium (actinoid)
Curium (actinoid)
Berkelium (actinoid)
Californium (actinoid)
Einsteinium (actinoid)
Fermium (actinoid)
Mendelevium (actinoid)
Nobelium (actinoid)
Lawrencium (actinoid)
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)
Ununtrium (unknown chemical properties)
Flerovium (unknown chemical properties)
Ununpentium (unknown chemical properties)
Livermorium (unknown chemical properties)
Ununseptium (unknown chemical properties)
Ununoctium (unknown chemical properties)
Cr

Mo

W
niobiummolybdenumtechnetium
ପରମାଣୁ କ୍ରମାଙ୍କ (Z)42
ଶ୍ରେଣୀ, ବ୍ଳକgroup 6, d-block
ପର୍ଯ୍ୟାୟperiod 5
ମୌଳିକ ପ୍ରକାର  transition metal
ମାନକ ପରମାଣବିକ ଓଜନ (Ar)95.96(2)
ଇଲେକ୍‌ଟ୍ରୋନ୍ ବିନ୍ୟାସ[Kr] 5s1 4d5
per shell
2, 8, 18, 13, 1
ଭୌତିକ ଗୁଣ
ଅବସ୍ଥାsolid
ଗଳନାଙ୍କ2896 K ​(2623 °C, ​4753 °F)
ସ୍ଫୁଟନାଙ୍କ4912 K ​(4639 °C, ​8382 °F)
Density near r.t.10.28 g/cm3
when liquid, at m.p.9.33 g/cm3
Heat of fusion37.48 kJ/mol
Heat of 598 kJ/mol
Molar heat capacity24.06 J/(mol·K)
 pressure
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 2742 2994 3312 3707 4212 4879
Atomic properties
Oxidation states6, 5, 4, 3, 2, 1[୧], -1, -2
(strongly acidic oxide)
ElectronegativityPauling scale: 2.16
Atomic radiusempirical: 139 pm
Covalent radius154±5 pm
Miscellanea
Crystal structurebody-centered cubic (bcc)
Body-centered cubic crystal structure for molybdenum
Speed of sound thin rod5400 m/s (at r.t.)
Thermal expansion4.8 µm/(m·K) (at 25 °C)
Thermal conductivity138 W/(m·K)
Thermal diffusivity54.3[୨] mm2/s (at 300 K)
Electrical resistivity53.4 n Ω·m (at 20 °C)
Magnetic orderingparamagnetic[୩]
Young's modulus329 GPa
Shear modulus126 GPa
Bulk modulus230 GPa
Poisson ratio0.31
Mohs hardness5.5
Vickers hardness1530 MPa
Brinell hardness1500 MPa
CAS Number7439-98-7
ଇତିହାସ
ଆବିଷ୍କାରCarl Wilhelm Scheele (1778)
First isolationPeter Jacob Hjelm (1781)
Most stable isotopes of molybdenum
iso NA half-life DM DE (MeV) DP
92Mo 14.84% >1.9×1020 y β+β+ 1.6491 92Zr
93Mo syn 4×103 y ε - 93Nb
94Mo 9.25% 94Mo is stable with 52 neutrons
95Mo 15.92% 95Mo is stable with 53 neutrons
96Mo 16.68% 96Mo is stable with 54 neutrons
97Mo 9.55% 97Mo is stable with 55 neutrons
98Mo 24.13% >1×1014 y ββ 0.1125 98Ru
99Mo syn 65.94 h β 0.436, 1.214 99mTc
γ 0.74, 0.36,
0.14
-
100Mo 9.63% 7.8×1018 y ββ 3.04 100Ru
| references

ମଲିବ୍‌ଡ଼େନମ ହେଉଛି ଏକ ରାସାୟନିକ ମୌଳିକ ଯାହାର ପ୍ରତୀକ Moପରମାଣୁ କ୍ରମାଙ୍କ ୪୨ ଅଟେ ।

ଧର୍ମ[ସମ୍ପାଦନା]

ଉପସ୍ଥିତି[ସମ୍ପାଦନା]

ଗଠନ[ସମ୍ପାଦନା]

ଉତ୍ପାଦନ[ସମ୍ପାଦନା]

ସମସ୍ଥାନିକ[ସମ୍ପାଦନା]

ବ୍ୟବହାର[ସମ୍ପାଦନା]

ଆଧାର[ସମ୍ପାଦନା]

  1. "Molybdenum: molybdenum(I) fluoride compound data". OpenMOPAC.net. Retrieved 2007-12-10.
  2. A. Lindemann, J. Blumm (2009). "Measurement of the Thermophysical Properties of Pure Molybdenum". 3. 17th Plansee Seminar. 
  3. Magnetic susceptibility of the elements and inorganic compounds, in Handbook of Chemistry and Physics 81st edition, CRC press.

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