Mula sa Wikipedia, ang malayang ensiklopedya
Yodo, 00I![](//chped.net/https/upload.wikimedia.org/wikipedia/commons/thumb/0/0a/Sample_of_iodine.jpg/220px-Sample_of_iodine.jpg) |
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Pronunciation | // (EYE-ə-dyne-,_--din) |
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Appearance | makintab na metal na kulay abong solido, itim/biyoletang likido, biyoletang gas |
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| - 126.90447±0.00003
- 126.90±0.01 (pinaikli)[1][2]
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Group | 17 |
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Period | 5 |
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Block | p-block |
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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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Phase at STP | solido |
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Melting point | (I2) 386.85 K (113.7 °C, 236.66 °F) |
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Boiling point | (I2) 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 vaporization | (I2) 41.57 kJ/mol |
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Molar heat capacity | (I2) 54.44 J/(mol·K) |
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Vapor pressure (rhombic)
P (Pa)
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1
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10
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100
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1 k
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10 k
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100 k
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at T (K)
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260
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282
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309
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342
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381
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457
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Oxidation states | −1, +1, +2,[3] +3, +4, +5, +6, +7 (isang matapang na asidikong oksido) |
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Electronegativity | Pauling scale: 2.66 |
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Ionization 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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Mga linyang espektral ng yodo |
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Natural occurrence | primordiyal |
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Crystal structure | base-centered orthorhombic |
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Thermal conductivity | 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[4] |
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Molar magnetic susceptibility | −88.7×10−6 cm3/mol (298 K)[5] |
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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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Template:infobox yodo isotopes does not exist |
Kategorya: Yodo | references |
Talababa
Ang tala ng mga sangguniang ito ay hindi lumilitaw sa artikulo..
- ↑ "Standard Atomic Weights: Iodine" (sa wikang Ingles). CIAAW. 1985.
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- ↑ Prohaska, Thomas; Irrgeher, Johanna; Benefield, Jacqueline; Böhlke, John K.; Chesson, Lesley A.; Coplen, Tyler B.; Ding, Tiping; Dunn, Philip J. H.; Gröning, Manfred; Holden, Norman E.; Meijer, Harro A. J. (2022-05-04). "Standard atomic weights of the elements 2021 (IUPAC Technical Report)". Pure and Applied Chemistry (sa wikang Ingles). doi:10.1515/pac-2019-0603. ISSN 1365-3075.
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- ↑ I(II) is known to exist in monoxide (IO); see Nikitin, I V (31 Agosto 2008). "Halogen monoxides". Russian Chemical Reviews (sa wikang Ingles). 77 (8): 739–749. Bibcode:2008RuCRv..77..739N. doi:10.1070/RC2008v077n08ABEH003788.
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- ↑ Magnetic susceptibility of the elements and inorganic compounds, in Handbook of Chemistry and Physics 81st edition, CRC press.
- ↑ Weast, Robert (1984). CRC, Handbook of Chemistry and Physics. Boca Raton, Florida: Chemical Rubber Company Publishing. pp. E110. ISBN 0-8493-0464-4.
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