انټيموني (په انگرېزي: Antimony) له کیمیاوي عناصرو څخه یو دی چې په تناوبي جدول کې د Sb سمبول او ۵۱ اتمي شمېرې په وسیله ښودل شوی دی.
چټک مالومات عمومي خواص, Pronunciation ...
Antimony, 51Sb |
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| Pronunciation | UK /ˈæntɪməni/ AN-tim-Ə-nee
US /ˈæntɪmoʊni/ AN-tim-OH-nee |
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| Appearance | silvery lustrous gray |
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| اټومي شمیره (Z) | 51 |
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| گروپ, پیریود | group 15 (pnictogens), period 5 |
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| بلاک | p-block |
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| Element category | metalloid |
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| معياري اټومي وزن (Ar) | کينډۍ:Val[۱] |
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| Electron configuration | [Kr] 4d10 5s2 5p3 |
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Electrons per shell | 2, 8, 18, 18, 5 |
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| حالت (at STP) | جامد |
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| دويلې کيدو ټکى | 903.78 K (630.63 °C, 1167.13 °F) |
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| يشنا ټکی | 1908 K (1635 °C, 2975 °F) |
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| Density near r.t. | 6.697 g/cm3 |
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| when liquid, at m.p. | 6.53 g/cm3 |
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| Heat of fusion | 19.79 kJ/mol |
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| Heat of vaporization | 193.43 kJ/mol |
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| Molar heat capacity | 25.23 J/(mol·K) |
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Vapor pressure
| P (Pa) |
1 |
10 |
100 |
1 k |
10 k |
100 k |
| at T (K) |
807 |
876 |
1011 |
1219 |
1491 |
1858 |
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| Oxidation states | 5, 4, 3, 2, 1, −1, −2, −3 (an amphoteric oxide) |
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| Electronegativity | Pauling scale: 2.05 |
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| Ionization energies | - 1st: 834 kJ/mol
- 2nd: 1594.9 kJ/mol
- 3rd: 2440 kJ/mol
- (more)
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| Atomic radius | empirical: 140 pm |
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| Covalent radius | 139±5 pm |
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| Van der Waals radius | 206 pm |
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| Crystal structure | rhombohedral Rhombohedral crystal structure for antimony |
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| Speed of sound thin rod | 3420 m/s (at 20 °C) |
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| Thermal expansion | 11 µm/(m·K) (at 25 °C) |
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| د تودوخې تېرېدنه | 24.4 W/(m·K) |
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| Electrical resistivity | 417 nΩ·m (at 20 °C) |
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| Magnetic ordering | diamagnetic[۲] |
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| Magnetic susceptibility (χmol) | −99.0·10−6 cm3/mol[۳] |
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| Young's modulus | 55 GPa |
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| Shear modulus | 20 GPa |
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| Bulk modulus | 42 GPa |
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| Mohs hardness | 3.0 |
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| Brinell hardness | 294–384 MPa |
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| CAS Number | 7440-36-0 |
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| Discovery | ca. 800 |
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| آيسوټوپ |
Abundance |
نیم ژوند (t1/2) |
Decay mode |
Product |
| 121Sb |
57.21% |
stable |
| 123Sb |
42.79% |
stable |
| 125Sb |
syn |
2.7582 y |
β− |
125Te |
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| | references | in Wikidata |
تړل
