Khon Tién ke ngièn-sṳ́-mâ

{{Infobox element
|name=Tién
|number=53
|symbol=I
|enname=iodine
|alt name=
|left=[[tellurium]]
|right=[[xenon]]
|above=[[Chhiu|Br]]
|below=[[astatine|At]]
|series=sûng-ngièn-chṳ́ fî-kîm-su̍k
|series comment=
|group=17
|period=5
|block=p
|image name=Sample of iodine.jpg
|appearance=lustrous metallic gray, violet as a gas
|atomic mass=126.90447
|atomic mass ref=<ref name="IUPAC">[http://www.ciaaw.org/atomic-weights.htm Standard Atomic Weights 2013]. [[Commission on Isotopic Abundances and Atomic Weights]]</ref>
|atomic mass 2=3
|atomic mass comment=
|electron configuration=&#91;[[krypton|Kr]]&#93; 4d<sup>10</sup> 5s<sup>2</sup> 5p<sup>5</sup>
|electrons per shell=2, 8, 18, 18, 7
|phase=ku-thí
|density gpcm3nrt=4.933
|melting point K=386.85
|melting point C=113.7
|melting point F=236.66
|boiling point K=457.4
|boiling point C=184.3
|boiling point F=363.7
|triple point K=386.65
|triple point kPa=12.1
|critical point K=819
|critical point MPa=11.7
|heat fusion= (I<sub>2</sub>) 15.52
|heat vaporization=(I<sub>2</sub>) 41.57
|heat capacity= (I<sub>2</sub>) 54.44
|vapor pressure 1=260
|vapor pressure 10=282
|vapor pressure 100=309
|vapor pressure 1 k=342
|vapor pressure 10 k=381
|vapor pressure 100 k=457
|vapor pressure comment=(rhombic)
|crystal structure=orthorhombic
|oxidation states='''7''', 6, '''5''', 4, '''3''', '''1''', '''−1'''
|oxidation states comment=(a&nbsp;strongly [[acid]]ic oxide)
|electronegativity=2.66
|number of ionization energies=3
|ionization energy 1=1008.4
|ionization energy 2=1845.9
|ionization energy 3=3180
|atomic radius=140
|covalent radius=139±3
|Van der Waals radius=198
|magnetic ordering=[[diamagnetic]]
|magnetic ordering ref=<ref>[http://www-d0.fnal.gov/hardware/cal/lvps_info/engineering/elementmagn.pdf Magnetic susceptibility of the elements and inorganic compounds], in Handbook of Chemistry and Physics 81st edition, CRC press. </ref>
|electrical resistivity at 0=1.3×10<sup>7</sup>
|thermal conductivity=0.449
|Bulk modulus=7.7
|CAS number=7553-56-2
|isotopes=
{{infobox element/isotopes decay | link=iodine-123| mn=123 | sym=I
 | na=[[synthetic radioisotope|syn]] | hl=13&nbsp;h
 | dm=[[electron capture|ε]], [[gamma decay|γ]] | de=0.16 | link1=tellurium-123 | pn=123 | ps=Te}}
{{infobox element/isotopes decay | mn=124 | sym=I
 | na=syn | hl=4.176&nbsp;d
 | dm=ε | de=– | link1=tellurium-124 | pn=124 | ps=Te}}
{{infobox element/isotopes decay | link=iodine-125 | mn=125 | sym=I
 | na=syn | hl=59.40&nbsp;d
 | dm=ε | de=– | link1=tellurium-125 | pn=125 | ps=Te}}
{{infobox element/isotopes decay | mn=127 | sym=I | na=100% | hl=– | dm=([[spontaneous fission|SF]]) | de=<29.961 | pn= | ps= }}
{{infobox element/isotopes decay | link=iodine-129 | mn=129 | sym=I
 | na=[[trace radioisotope|trace]] | hl=1.57×10<sup>7</sup>&nbsp;y
 | dm=[[beta emission|β<sup>−</sup>]] | de=0.194 | link1=xenon-129 | pn=129 | ps=Xe}}
{{infobox element/isotopes decay | link=iodine-131 | mn=131 | sym=I
 | na=syn | hl=8.02070&nbsp;d
 | dm=β<sup>−</sup>, γ | de=0.971 | link1=xenon-131 | pn=131 | ps=Xe}}
{{infobox element/isotopes decay | mn=135 | sym=I
 | na=syn | hl=6.57&nbsp;h
 | dm=β<sup>−</sup> | de=– | link1=xenon-135 | pn=135 | ps=Xe}}
|isotopes comment=Decay modes in parentheses are predicted, but have not yet been observed
|discovery and first isolation by=[[Bernard Courtois]]
|discovery date=1811
}}
'''Tién''' (碘), fe̍t-chá ham-cho '''vok-su''' (沃素), he yit-chúng [[fa-ho̍k ngièn-su]], fa-ho̍k fù-ho vì '''I''', ngièn-chṳ́ su-muk he '''53'''.

==Chhâm-kháu chṳ̂-liau==
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[[Category:Fa-ho̍k ngièn-su]]