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| عمومي خواص |
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| Pronunciation | /ˌmɒlɪbˈdiːnəm/ or/məˈlɪbdɪnəm/
MOL-ib-DEE-nəm orMƏ-LIB-DIN-əm |
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| Appearance | gray metallic |
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| Molybdenum پهدوراني جدول کې |
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| اټومي شمیره(Z) | 42 |
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| گروپ,پیریود | group 6,period 5 |
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| بلاک | d-block |
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| Element category | transition metal |
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| معياري اټومي وزن (Ar) | کينډۍ:Val[۱] |
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| Electron configuration | [Kr] 4d5 5s1 |
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Electrons per shell | 2, 8, 18, 13, 1 |
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| فزیکي خواص |
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| حالت(at STP) | جامد |
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| دويلې کيدو ټکى | 2896 K (2623 °C, 4753 °F) |
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| يشنا ټکی | 4912 K (4639 °C, 8382 °F) |
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| Densitynear r.t. | 10.28 g/cm3 |
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| when liquid, at m.p. | 9.33 g/cm3 |
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| Heat of fusion | 37.48 kJ/mol |
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| Heat of vaporization | 598 kJ/mol |
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| Molar heat capacity | 24.06 J/(mol·K) |
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Vapor pressure| P (Pa) | 1 | 10 | 100 | 1 k | 10 k | 100 k |
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| at T (K) | 2742 | 2994 | 3312 | 3707 | 4212 | 4879 |
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| اټومي خواص |
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| Oxidation states | 6, 5,4, 3, 2, 1,[۲] −1, −2, −4 (a stronglyacidic oxide) |
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| Electronegativity | Pauling scale: 2.16 |
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| Ionization energies | - 1st: 684.3 kJ/mol
- 2nd: 1560 kJ/mol
- 3rd: 2618 kJ/mol
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| Atomic radius | empirical: 139 pm |
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| Covalent radius | 154±5 pm |
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| Miscellanea |
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| Crystal structure | body-centered cubic (bcc) Body-centered cubic crystal structure for molybdenum |
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| Speed of soundthin rod | 5400 m/s (at r.t.) |
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| Thermal expansion | 4.8 µm/(m·K) (at 25 °C) |
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| د تودوخې تېرېدنه | 138 W/(m·K) |
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| Thermal diffusivity | 54.3 mm2/s (at 300 K)[۳] |
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| Electrical resistivity | 53.4 nΩ·m (at 20 °C) |
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| Magnetic ordering | paramagnetic[۴] |
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| Magnetic susceptibility(χmol) | +89.0·10−6 cm3/mol (298 K)[۵] |
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| Young's modulus | 329 GPa |
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| Shear modulus | 126 GPa |
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| Bulk modulus | 230 GPa |
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| Poisson ratio | 0.31 |
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| Mohs hardness | 5.5 |
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| Vickers hardness | 1400–2740 MPa |
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| Brinell hardness | 1370–2500 MPa |
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| CAS Number | 7439-98-7 |
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| History |
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| Discovery | Carl Wilhelm Scheele (1778) |
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| First isolation | Peter Jacob Hjelm (1781) |
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| Mainisotopes of molybdenum |
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| |references |in Wikidata |
