ମଲିବ୍‌ଡ଼େନମ

ଉଇକିପିଡ଼ିଆ ରୁ

| colspan=2 style="text-align: center" | Main article: Isotopes of molybdenum

Molybdenum
42Mo
Cr

Mo

W
niobiummolybdenumtechnetium
ଭୌତିକ ରୁପ
gray metallic
ସାଧାରଣ ଧର୍ମ
ନାମ, ପ୍ରତୀକ,
ପରମାଣୁ କ୍ରମାଙ୍କ
molybdenum, Mo,
42
ଉଚ୍ଚାରଣ /ˌmɒlɪbˈdnəm/ mol-ib-dee-nəm
or /məˈlɪbdɪnəm/ mə-lib-di-nəm
ମୌଳିକ ପ୍ରକାର transition metal
ଶ୍ରେଣୀ, ପର୍ଯ୍ୟାୟ, ବ୍ଲକ୍ 6, 5, d
ମାନକ ପରମାଣବିକ ଓଜନ 95.96(2)
ଇଲେକ୍‌ଟ୍ରୋନ୍ ବିନ୍ୟାସ [Kr] 5s1 4d5
2, 8, 18, 13, 1
Electron shells of molybdenum (2, 8, 18, 13, 1)
ଇତିହାସ
ଆବିଷ୍କାର Carl Wilhelm Scheele (1778)
First isolation Peter Jacob Hjelm (1781)
ଭୌତିକ ଧର୍ମ
ଅବସ୍ଥା solid
(ରୁମ୍ ଟେମ୍ପରେଚର୍‌ରେ ଘନତା) 10.28 g·cm−3
Liquid density at m.p. 9.33 g·cm−3
ଗଳନାଙ୍କ 2896 K, 2623 °C, 4753 °F
ସ୍ଫୁଟନାଙ୍କ 4912 K, 4639 °C, 8382 °F
Heat of fusion 37.48 kJ·mol−1
Heat of vaporization 598 kJ·mol−1
Molar heat capacity 24.06 J·mol−1·K−1
Vapor pressure
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 2742 2994 3312 3707 4212 4879
Atomic properties
Oxidation states 6, 5, 4, 3, 2, 1[୧], -1, -2
(strongly acidic oxide)
Electronegativity 2.16 (Pauling scale)
Ionization energies 1st: 684.3 kJ·mol−1
2nd: 1560 kJ·mol−1
3rd: 2618 kJ·mol−1
Atomic radius 139 pm
Covalent radius 154±5 pm
Miscellanea
Crystal structure body-centered cubic
Magnetic ordering paramagnetic[୨]
Electrical resistivity (20 °C) 53.4 nΩ·m
Thermal conductivity 138 W·m−1·K−1
Thermal diffusivity (300 K) 54.3[୩] mm²/s
Thermal expansion (25 °C) 4.8 µm·m−1·K−1
Speed of sound (thin rod) (r.t.) 5400 m·s−1
Young's modulus 329 GPa
Shear modulus 126 GPa
Bulk modulus 230 GPa
Poisson ratio 0.31
Mohs hardness 5.5
Vickers hardness 1530 MPa
Brinell hardness 1500 MPa
CAS registry number 7439-98-7
Most stable isotopes
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
· r

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. http://openmopac.net/data_normal/molybdenum(i)%20fluoride_jmol.html. Retrieved 2007-12-10. 
  2. Magnetic susceptibility of the elements and inorganic compounds, in Handbook of Chemistry and Physics 81st edition, CRC press.
  3. A. Lindemann, J. Blumm (2009). "Measurement of the Thermophysical Properties of Pure Molybdenum". 3. 17th Plansee Seminar. 

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