text: # Sék
  Chăng-kō̤ Mìng-dĕ̤ng-ngṳ̄ Háng-cê gì bēng-buōng. / 參考閩東語漢字其版本。
  Sék (錫) sê siŏh cṳ̄ng gĭng-sṳ̆k, iâ sê siŏh cṳ̄ng huá-hŏk nguòng-só. Nguòng-cṳ̄ sê̤ṳ-só sê 50, huá-hŏk hù-hô̤ sê Sn.
title: Sék
wikitext: {{twinLAT|錫}}
  {{Infobox element
  |name=Sék
  |number=50
  |symbol=Sn
  |enname=tin
  |laname=stannum
  |allotropes={{nowrap|alpha, α (gray)}}; {{nowrap|beta, β (white)}}
  |left=[[indium|Indi]]
  |right=[[Dà̤ (gĭng-sṳ̆k)|Antimon]]
  |above=[[germanium|Gecmani]]
  |below=[[Iòng (gĭng-sṳ̆k)|iòng]]
  |series=bìng-gĭng-sṳ̆k
  |group=14
  |period=5
  |block=p
  |image name=Tin drop.jpg
  |image name comment=
  |appearance=silvery-white (beta, β) or gray (alpha, α)
  |atomic mass=118.710
  |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=7
  |atomic mass comment=
  |electron configuration=&#91;[[krypton|Kr]]&#93; 4d<sup>10</sup> 5s<sup>2</sup> 5p<sup>2</sup>
  |electrons per shell=2, 8, 18, 18, 4
  |phase=gó-tā̤
  |density gpcm3nrt=white, β: 7.365
  |density gpcm3nrt 2=gray, α: 5.769
  |density gpcm3mp=6.99
  |melting point K=505.08
  |melting point C=231.93
  |melting point F=449.47
  |boiling point K=2875
  |boiling point C=2602
  |boiling point F=4716
  |heat fusion=white, β: 7.03
  |heat vaporization=white, β: 296.1
  |heat capacity=white, β: 27.112
  |vapor pressure 1=1497
  |vapor pressure 10=1657
  |vapor pressure 100=1855
  |vapor pressure 1 k=2107
  |vapor pressure 10 k=2438
  |vapor pressure 100 k=2893
  |vapor pressure comment=
  |crystal structure=tetragonal
  |crystal structure comment=white (β)
  |crystal structure 2=diamond cubic
  |crystal structure 2 comment=gray (α)
  |oxidation states='''4''', 3,<ref>{{cite web|title=SnH3|url=http://webbook.nist.gov/cgi/cbook.cgi?ID=B1001467&Units=SI|work=NIST Chemistry WebBook|publisher=National Institure of Standards and Technology|accessdate=23 January 2013|archive-date=30 June 2017|archive-url=https://web.archive.org/web/20170630145804/http://webbook.nist.gov/cgi/cbook.cgi?ID=B1001467&Units=SI|deadurl=yes}}</ref> '''2''', 1,<ref>{{cite web|title=HSn|url=http://webbook.nist.gov/cgi/cbook.cgi?ID=C13940255&Units=SI|work=NIST Chemistry WebBook|publisher=National Institute of Standards and Technology|accessdate=23 January 2013|archive-date=30 June 2017|archive-url=https://web.archive.org/web/20170630125820/http://webbook.nist.gov/cgi/cbook.cgi?ID=C13940255&Units=SI|deadurl=yes}}</ref> −1, −2, −3, '''−4'''
  |oxidation states comment=(an [[amphoterism|amphoteric]] oxide)
  |electronegativity=1.96
  |number of ionization energies=3
  |ionization energy 1=708.6
  |ionization energy 2=1411.8
  |ionization energy 3=2943.0
  |atomic radius=140
  |covalent radius=139±4
  |Van der Waals radius=217
  |magnetic ordering=gray: [[diamagnetic]]
  |magnetic ordering ref=<ref>{{cite book | url = http://www-d0.fnal.gov/hardware/cal/lvps_info/engineering/elementmagn.pdf | chapter = Magnetic susceptibility of the elements and inorganic compounds | editor = Lide, D. R. | title = CRC Handbook of Chemistry and Physics | edition = 86th | location = Boca Raton (FL) | publisher = CRC Press | year = 2005 | isbn = 0-8493-0486-5 | accessdate = 2018-06-03 | archive-date = 2011-03-03 | archive-url = https://web.archive.org/web/20110303222309/http://www-d0.fnal.gov/hardware/cal/lvps_info/engineering/elementmagn.pdf | deadurl =  }}</ref><br/>white (β): [[paramagnetic]]
  |electrical resistivity unit prefix=n
  |electrical resistivity at 0=115
  |thermal conductivity=66.8
  |thermal expansion at 25=22.0
  |speed of sound rod at r.t.=2730
  |speed of sound rod at r.t. comment=(rolled)
  |Young's modulus=50
  |Shear modulus=18
  |Bulk modulus=58
  |Poisson ratio=0.36
  |Mohs hardness=
  |Brinell hardness=50–440
  |CAS number=7440-31-5
  |isotopes=
  {{infobox element/isotopes decay | mn=112 | sym=Sn | na=0.97% | hl=– | dm=([[double beta decay|β<sup>+</sup>β<sup>+</sup>]]) | de=1.9222 | link1=cadmium-112 | pn=112 | ps=Cd }}
  {{infobox element/isotopes decay | mn=114 | sym=Sn | na=0.66% | hl=– | dm=([[spontaneous fission|SF]]) | de=<27.965 | pn= | ps= }}
  {{infobox element/isotopes decay | mn=115 | sym=Sn | na=0.34% | hl=– | dm=(SF) | de=<26.791 | pn= | ps= }}
  {{infobox element/isotopes decay | mn=116 | sym=Sn | na=14.54% | hl=– | dm=(SF) | de=<25.905 | pn= | ps= }}
  {{infobox element/isotopes decay | mn=117 | sym=Sn | na=7.68% | hl=– | dm=(SF) | de=<25.334 | pn= | ps= }}
  {{infobox element/isotopes decay | mn=118 | sym=Sn | na=24.22% | hl=– | dm=(SF) | de=<23.815 | pn= | ps= }}
  {{infobox element/isotopes decay | mn=119 | sym=Sn | na=8.59% | hl=– | dm=(SF) | de=<23.140 | pn= | ps= }}
  {{infobox element/isotopes decay | mn=120 | sym=Sn | na=32.58% | hl=– | dm=(SF) | de=<21.824 | pn= | ps= }}
  {{infobox element/isotopes decay | mn=122 | sym=Sn | na=4.63% | hl=– | dm=([[double beta decay|β<sup>−</sup>β<sup>−</sup>]]) | de=0.3661 | link1=tellurium-122 | pn=122 | ps=Te }}
  {{infobox element/isotopes decay | mn=124 | sym=Sn | na=5.79% | hl=>1×10<sup>17</sup>&nbsp;y | dm=(β<sup>−</sup>β<sup>−</sup>) | de=2.2870
   | link1=tellurium-124 | pn=124 | ps=Te }}
  {{infobox element/isotopes decay | mn=126 | sym=Sn
   | na=[[trace radioisotope|trace]] | hl=2.3×10<sup>5</sup>&nbsp;y
   | dm=[[beta emission|β<sup>−</sup>]] | de=0.380 +
   |link1=antimony-126 | pn=126 | ps=Sb}}
  |isotopes comment=Decay modes in parentheses are predicted, but have not yet been observed
  |discovery date=around [[3500 BC]]
  }}
  '''Sék''' (錫) sê siŏh cṳ̄ng [[gĭng-sṳ̆k]], iâ sê siŏh cṳ̄ng [[huá-hŏk nguòng-só]]. [[Nguòng-cṳ̄ sê̤ṳ-só]] sê 50, huá-hŏk hù-hô̤ sê Sn.
  
  ==Huá-hŏk séng-cék==
  
  ==Éng-ê̤ṳng==
  
  ==Cié-chṳ̄==
  
  ==Chăng-kō̤ cṳ̆-lâiu==
  {{reflist}}
  
  {{Ciŭ-gĭ-biēu}}
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  [[分類:Gĭng-sṳ̆k]]
  [[分類:Huá-hŏk]]
  [[分類:Huá-hŏk nguòng-só]]