text: # Bék (gĭng-sṳ̆k)
  Chăng-kō̤ Mìng-dĕ̤ng-ngṳ̄ Háng-cê gì bēng-buōng. / 參考閩東語漢字其版本。
  Bék (鉍) sê siŏh cṳ̄ng gĭng-sṳ̆k, iâ sê siŏh cṳ̄ng huá-hŏk nguòng-só. Nguòng-cṳ̄ sê̤ṳ-só sê 83, huá-hŏk hù-hô̤ sê Bi.
title: Bék (gĭng-sṳ̆k)
wikitext: {{twinLAT|鉍}}
  {{Infobox element
  |name=Bitmut
  |enname=bismuth
  |laname=Bisemutum
  |number=83
  |symbol=Bi
  |left=[[Iòng (gĭng-sṳ̆k)|iòng]]
  |right=[[polonium|Poloni]]
  |above=[[Dà̤ (gĭng-sṳ̆k)|Antimon]]
  |below=[[Moscovium|Moscovi]]
  |series=bìng-gĭng-sṳ̆k
  |series comment=
  |group=15
  |period=6
  |block=p
  |series color=
  |appearance=lustrous silver
  |image name=Bismuth crystals and 1cm3 cube.jpg
  |image name comment=
  |image name 2=
  |image name 2 comment=
  |atomic mass=208.98040
  |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=1
  |atomic mass comment=
  |electron configuration=&#91;[[xenon|Xe]]&#93; 4f<sup>14</sup> 5d<sup>10</sup> 6s<sup>2</sup> 6p<sup>3</sup>
  |electrons per shell=2, 8, 18, 32, 18, 5
  |color=
  |phase=gó-tā̤
  |phase comment=
  |density gplstp=
  |density gpcm3nrt=9.78
  |density gpcm3mp=10.05
  |melting point K=544.7
  |melting point C=271.5
  |melting point F=520.7
  |boiling point K=1837
  |boiling point C=1564
  |boiling point F=2847
  |triple point K=
  |triple point kPa=
  |critical point K=
  |critical point MPa=
  |heat fusion=11.30
  |heat vaporization=179
  |heat capacity=25.52
  |vapor pressure 1=941
  |vapor pressure 10=1041
  |vapor pressure 100=1165
  |vapor pressure 1 k=1325
  |vapor pressure 10 k=1538
  |vapor pressure 100 k=1835
  |vapor pressure comment=
  |crystal structure=rhombohedral
  |crystal structure ref=<ref name=str>{{cite journal|doi=10.1107/S0365110X62002297|title=The crystal structure of Bi and of solid solutions of Pb, Sn, Sb and Te in Bi|year=1962|last1=Cucka|first1=P.|last2=Barrett|first2=C. S.|journal=Acta Crystallographica|volume=15|issue=9|pages=865}}</ref>
  | oxidation states=5, 4, '''3''', 2, 1, −1, −2, −3
  |oxidation states comment=(a&nbsp;mildly [[acid]]ic oxide)
  |electronegativity=2.02
  |number of ionization energies=4
  |ionization energy 1=703
  |ionization energy 2=1610
  |ionization energy 3=2466
  |atomic radius=156
  |covalent radius=148±4
  |Van der Waals radius=207
  |magnetic ordering=[[diamagnetism|diamagnetic]]
  |electrical resistivity unit prefix=µ
  |electrical resistivity=
  |electrical resistivity at 0=
  |electrical resistivity at 20=1.29
  |thermal conductivity=7.97
  |thermal conductivity 2=
  |thermal diffusivity=
  |thermal expansion=
  |thermal expansion at 25=13.4
  |speed of sound=
  |speed of sound rod at 20=1790
  |speed of sound rod at r.t.=
  |Young's modulus=32
  |Shear modulus=12
  |Bulk modulus=31
  |Poisson ratio=0.33
  |Mohs hardness=2.25
  |Vickers hardness=
  |Brinell hardness=70–95
  |CAS number=7440-69-9
  |isotopes=
  {{infobox element/isotopes decay | mn=207 | sym=Bi
   | na=[[synthetic radioisotope|syn]] | hl=31.55&nbsp;y
   | dm=[[positron emission|β<sup>+</sup>]] | de=2.399 | link1=lead-207 | pn=207 | ps=Pb }}
  {{infobox element/isotopes decay | mn=208 | sym=Bi
   | na=syn | hl=3.68×10<sup>5</sup>&nbsp;y
   | dm=β<sup>+</sup> | de=2.880 | link1=lead-208 | pn=208 | ps=Pb}}
  {{infobox element/isotopes decay | mn=209 | sym=Bi
   | na=100% | hl=1.9×10<sup>19</sup>&nbsp;y
   | dm=[[alpha decay|α]] | de=3.137 | link1=thallium-205 | pn=205 | ps=Tl}}
  {{infobox element/isotopes decay2 | mn=210 | sym=Bi
   | na=[[trace radioisotope|trace]] | hl=5.012&nbsp;d
   | dm1=[[beta decay|β<sup>−</sup>]] | de1=1.426 | link1=polonium-210 | pn1=210 | ps1=Po
   | dm2=α | de2=5.982 | link2=thallium-206 | pn2=206 | ps2=Tl}}
  {{infobox element/isotopes decay2 | mn=210m | sym=Bi
   | na=syn | hl=3.04×10<sup>6</sup>&nbsp;y
   | dm1=[[Isomeric transition|IT]] | de1=0.271 | pn1=210 | ps1=Bi
   | dm2=α | de2=6.253 | link2=thallium-206 | pn2=206 | ps2=Tl}}
  |isotopes comment=
  |discovered by=[[Claude François Geoffroy]]
  |discovery date=1753
  }}
  '''Bék''' (鉍) sê siŏh cṳ̄ng [[gĭng-sṳ̆k]], iâ sê siŏh cṳ̄ng [[huá-hŏk nguòng-só]]. [[Nguòng-cṳ̄ sê̤ṳ-só]] sê 83, huá-hŏk hù-hô̤ sê Bi.
  
  ==Huá-hŏk séng-cék==
  
  ==Éng-ê̤ṳng==
  
  ==Cié-chṳ̄==
  
  ==Chăng-kō̤ cṳ̆-lâiu==
  {{reflist}}
  
  {{Ciŭ-gĭ-biēu}}
  {{authority control}}
  
  [[分類:Huá-hŏk nguòng-só]]