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Yodo - Wikipedia

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(Naredirek gikan sa Iodine)

Iodine

53I

Br
↑
I
↓
At
tellurium ← iodine → xenon
Panagway
lustrous metallic gray, violet as a gas
Kinatibuk-ang mga kinaiya
Ngalan, simbolo, kaiphan iodine, I, 53
Paglitok [[Help:Pronunciation respelling key|Plantilya:Smallcaps all-ə-dyn]],
[[Help:Pronunciation respelling key|Plantilya:Smallcaps all-ə-dən]],
or [[Help:Pronunciation respelling key|Plantilya:Smallcaps all-ə-deen]]
Kategoriyang elemento halogen
Group, period, block 17, 5, p
Gibug-aton sa atomo 126.90447
Kontorno sa elektron [Kr] 4d10 5s2 5p5
2, 8, 18, 18, 7
Electron shells of iodine (2, 8, 18, 18, 7)
Electron shells of iodine (2, 8, 18, 18, 7)
History
Pagkadiskobre Bernard Courtois (1811)
First isolation Bernard Courtois (1811)
Physical properties
Phase magahi
Density (near r.t.) 4.933 g·cm−3
Melting point 386.85 K, 113.7 °C, 236.66 °F
Boiling point 457.4 K, 184.3 °C, 363.7 °F
Triple point 386.65 K (113°C), 12.1 kPa
Critical point 819 K, 11.7 MPa
Heat of fusion (I2) 15.52 kJ·mol−1
Heat of vaporization (I2) 41.57 kJ·mol−1
Molar heat capacity (I2) 54.44 J·mol−1·K−1
Vapor pressure (rhombic)
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 260 282 309 342 381 457
Atomic properties
Oxidation states 7, 5, 3, 1, -1
(strongly acidic oxide)
Electronegativity 2.66 (Pauling scale)
Ionization energies 1st: 1008.4 kJ·mol−1
2nd: 1845.9 kJ·mol−1
3rd: 3180 kJ·mol−1
Atomic radius 140 pm
Covalent radius 139±3 pm
Van der Waals radius 198 pm
Miscellanea
Crystal structure orthorhombic

Iodine has a orthorhombic crystal structure

Magnetic ordering diamagnetic[1]
Electrical resistivity (0 °C) 1.3×107Ω·m
Thermal conductivity 0.449 W·m−1·K−1
Bulk modulus 7.7 GPa
CAS registry number 7553-56-2
Most stable isotopes
Main article: Isotopes of iodine
iso NA half-life DM DE (MeV) DP
123I syn 13 h ε, γ 0.16 123Te
124I syn 4.176 d ε - 124Te
125I syn 59.40 d ε - 125Te
127I 100% 127I is stable with 74 neutrons
129I trace 1.57×107 y β− 0.194 129Xe
131I syn 8.02070 d β−, γ 0.971 131Xe
135I syn 6.57 h β− - 135Xe
· r

Ang yodo (Iningles iodine) mao ang elementong kimiko sa talaang peryodiko nga may simbolo nga I ug kaiphan nga atomik 53. Ang yodo mao ang halogen.

  1. ↑ Magnetic susceptibility of the elements and inorganic compounds, in Handbook of Chemistry and Physics 81st edition, CRC press.