آيوډين (په انگرېزي: Iodine) له کیمیاوي عناصرو څخه یو دی چې په تناوبي جدول کې د I سمبول او ۵۳ اتمي شمېرې په وسیله ښودل شوی دی.
چټک مالومات عمومي خواص, Pronunciation ...
Iodine, 53I |
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| Pronunciation | /ˈaɪ.ədaɪn/, /ˈaɪ.ədɪn/, or /ˈaɪ.ədiːn/
EYE-Ə-dyne, EYE-Ə-din, or EYE-Ə-deen |
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| Appearance | lustrous metallic gray, violet as a gas |
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| اټومي شمیره (Z) | 53 |
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| گروپ, پیریود | group 17 (halogens), period 5 |
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| بلاک | p-block |
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| Element category | diatomic nonmetal |
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| معياري اټومي وزن (Ar) | کينډۍ:Val[۱] |
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| Electron configuration | [Kr] 4d10 5s2 5p5 |
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Electrons per shell | 2, 8, 18, 18, 7 |
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| حالت (at STP) | جامد |
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| دويلې کيدو ټکى | 386.85 K (113.7 °C, 236.66 °F) |
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| يشنا ټکی | 457.4 K (184.3 °C, 363.7 °F) |
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| Density near r.t. | 4.933 g/cm3 |
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| Triple point | 386.65 K, 12.1 kPa |
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| Critical point | 819 K, 11.7 MPa |
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| Heat of fusion | (I2) 15.52 kJ/mol |
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| Heat of vaporisation | (I2) 41.57 kJ/mol |
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| Molar heat capacity | (I2) 54.44 J/(mol·K) |
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Vapour pressure (rhombic)
| P (Pa) |
1 |
10 |
100 |
1 k |
10 k |
100 k |
| at T (K) |
260 |
282 |
309 |
342 |
381 |
457 |
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| Oxidation states | 7, 6, 5, 4, 3, 1, −1 (a strongly acidic oxide) |
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| Electronegativity | Pauling scale: 2.66 |
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| Ionisation energies | - 1st: 1008.4 kJ/mol
- 2nd: 1845.9 kJ/mol
- 3rd: 3180 kJ/mol
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| Atomic radius | empirical: 140 pm |
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| Covalent radius | 139±3 pm |
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| Van der Waals radius | 198 pm |
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| Crystal structure | orthorhombic Orthorhombic crystal structure for iodine |
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| د تودوخې تېرېدنه | 0.449 W/(m·K) |
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| Electrical resistivity | 1.3×107 Ω·m (at 0 °C) |
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| Magnetic ordering | diamagnetic[۲] |
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| Magnetic susceptibility (χmol) | −88.7·10−6 cm3/mol (298 K)[۳] |
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| Bulk modulus | 7.7 GPa |
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| CAS Number | 7553-56-2 |
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| Discovery and first isolation | Bernard Courtois (1811) |
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| آيسوټوپ |
Abundance |
نیم ژوند (t1/2) |
Decay mode |
Product |
| 123I |
syn |
13 h |
ε, γ |
123Te |
| 124I |
syn |
4.176 d |
ε |
124Te |
| 125I |
syn |
59.40 d |
ε |
125Te |
| 127I |
100% |
stable |
| 129I |
trace |
1.57×107 y |
β− |
129Xe |
| 131I |
syn |
8.02070 d |
β−, γ |
131Xe |
| 135I |
syn |
6.57 h |
β− |
135Xe |
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| | references | in Wikidata |
تړل
