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| عمومي خواص |
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| Pronunciation | /ˈriːniəm/
REE-nee-əm |
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| Appearance | silvery-grayish |
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| Rhenium پهدوراني جدول کې |
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| اټومي شمیره(Z) | 75 |
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| گروپ,پیریود | group 7,period 6 |
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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 | [Xe] 4f14 5d5 6s2 |
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Electrons per shell | 2, 8, 18, 32, 13, 2 |
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| فزیکي خواص |
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| حالت(at STP) | جامد |
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| دويلې کيدو ټکى | 3459 K (3186 °C, 5767 °F) |
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| يشنا ټکی | 5903 K (5630 °C, 10,170 °F) |
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| Density near r.t. | 21.02 g/cm3 |
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| when liquid, at m.p. | 18.9 g/cm3 |
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| Heat of fusion | 60.43 kJ/mol |
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| Heat of vaporization | 704 kJ/mol |
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| Molar heat capacity | 25.48 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) | 3303 | 3614 | 4009 | 4500 | 5127 | 5954 |
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| اټومي خواص |
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| Oxidation states | 7, 6, 5,4, 3, 2, 1, 0, −1, −3 (a mildlyacidic oxide) |
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| Electronegativity | Pauling scale: 1.9 |
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| Ionization energies | - 1st: 760 kJ/mol
- 2nd: 1260 kJ/mol
- 3rd: 2510 kJ/mol
- (more)
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| Atomic radius | empirical: 137 pm |
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| Covalent radius | 151±7 pm |
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| Miscellanea |
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| Crystal structure | hexagonal close-packed (hcp) Hexagonal close packed crystal structure for rhenium |
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| Speed of sound thin rod | 4700 m/s (at 20 °C) |
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| Thermal expansion | 6.2 µm/(m·K) |
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| د تودوخې تېرېدنه | 48.0 W/(m·K) |
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| Electrical resistivity | 193 nΩ·m (at 20 °C) |
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| Magnetic ordering | paramagnetic[۲] |
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| Magnetic susceptibility(χmol) | +67.6·10−6 cm3/mol (293 K)[۳] |
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| Young's modulus | 463 GPa |
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| Shear modulus | 178 GPa |
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| Bulk modulus | 370 GPa |
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| Poisson ratio | 0.30 |
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| Mohs hardness | 7.0 |
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| Vickers hardness | 1350–7850 MPa |
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| Brinell hardness | 1320–2500 MPa |
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| CAS Number | 7440-15-5 |
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| History |
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| Naming | after the riverRhine (German:Lua error in Module:Unicode_data at line 297: attempt to index local 'data_module' (a boolean value).) |
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| Discovery | Masataka Ogawa (1908) |
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| First isolation | Masataka Ogawa (1919) |
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| Named by | Walter Noddack,Ida Noddack,Otto Berg (1925) |
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| Mainisotopes of rhenium |
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|
| | references | in Wikidata |
