 A glass container filled with chlorine gas |
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| عمومي خواص |
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| Pronunciation | /ˈklɔəriːn/or/ˈklɔərɪn/
KLOHR-eenorKLOHR-in |
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| Appearance | pale yellow-green gas |
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| Chlorine پهدوراني جدول کې |
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| اټومي شمیره(Z) | 17 |
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| گروپ,پیریود | group 17 (halogens),period 3 |
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| بلاک | p-block |
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| Element category | diatomic nonmetal |
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| معياري اټومي وزن (Ar) | - [35.446, 35.457][۱]
- conventional: 35.45
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| Electron configuration | [Ne] 3s2 3p5 |
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Electrons per shell | 2, 8, 7 |
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| فزیکي خواص |
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| حالت(at STP) | گاز |
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| دويلې کيدو ټکى | 171.6 K (−101.5 °C, −150.7 °F) |
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| يشنا ټکی | 239.11 K (−34.04 °C, −29.27 °F) |
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| کثافت(at STP) | 3.2 g/L |
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| when liquid, at b.p. | 1.5625 g/cm3[۲] |
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| Critical point | 416.9 K, 7.991 MPa |
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| Heat of fusion | (Cl2) 6.406 kJ/mol |
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| Heat of vaporisation | (Cl2) 20.41 kJ/mol |
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| Molar heat capacity | (Cl2)
33.949 J/(mol·K) |
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| Vapour pressure |
| اټومي خواص |
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| Oxidation states | 7, 6,5, 4,3, 2,1,−1 (a stronglyacidic oxide) |
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| Electronegativity | Pauling scale: 3.16 |
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| Ionisation energies | - 1st: 1251.2 kJ/mol
- 2nd: 2298 kJ/mol
- 3rd: 3822 kJ/mol
- (more)
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| Covalent radius | 102±4 pm |
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| Van der Waals radius | 175 pm |
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| Miscellanea |
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| Crystal structure | orthorhombic Orthorhombic crystal structure for chlorine |
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| Speed of sound | 206m/s (gas, at 0 °C) |
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| د تودوخې تېرېدنه | 8.9کينډۍ:E W/(m·K) |
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| Electrical resistivity | >10 Ω·m (at 20 °C) |
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| Magnetic ordering | diamagnetic[۳] |
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| Magnetic susceptibility(χmol) | −40.5·10−6 cm3/mol[۴] |
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| CAS Number | 7782-50-5 |
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| History |
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| Discovery and first isolation | Carl Wilhelm Scheele (1774) |
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| Recognized as anelement by | Humphry Davy (1808) |
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| Mainisotopes of chlorine |
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|
| | references | in Wikidata |
