text: # Băh-gĭng
  Chăng-kō̤ Mìng-dĕ̤ng-ngṳ̄ Háng-cê gì bēng-buōng. / 參考閩東語漢字其版本。
  Băh-gĭng (白金) iâ hô̤ lā̤ bŏ̤h (鉑), sê siŏh cṳ̄ng gĭng-sṳ̆k, iâ sê siŏh cṳ̄ng huá-hŏk nguòng-só. Nguòng-cṳ̄ sê̤ṳ-só sê 78, huá-hŏk hù-hô̤ sê Pt.
  
title: Băh-gĭng
wikitext: {{twinLAT|鉑}}
  {{Infobox element
  |name=Băh-gĭng
  |number=78
  |symbol=Pt
  |enname=platinum
  |laname=platinum
  |left=[[iridium|Iridi]]
  |right=[[gĭng]]
  |above=[[Bă (gĭng-sṳ̆k)|Paladi]]
  |below=[[darmstadtium|Darmstadti]]
  |series=guó-dô gĭng-sṳ̆k
  |group=10
  |period=6
  |block=d
  |image name=Platinum crystals.jpg
  |appearance=silvery white
  |atomic mass=195.084
  |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=9
  |atomic mass comment=
  |electron configuration=&#91;[[xenon|Xe]]&#93; 4f<sup>14</sup> 5d<sup>9</sup> 6s<sup>1</sup>
  |electrons per shell=2, 8, 18, 32, 17, 1
  |phase=gó-tā̤
  |density gpcm3nrt=21.45
  |density gpcm3mp=19.77
  |melting point K=2041.4
  |melting point C=1768.3
  |melting point F=3214.9
  |boiling point K=4098
  |boiling point C=3825
  |boiling point F=6917
  |heat fusion=22.17
  |heat vaporization=510
  |heat capacity=25.86
  |vapor pressure 1=2330
  |vapor pressure 10=(2550)
  |vapor pressure 100=2815
  |vapor pressure 1 k=3143
  |vapor pressure 10 k=3556
  |vapor pressure 100 k=4094
  |vapor pressure comment=
  |crystal structure=face-centered cubic
  |oxidation states=6, 5, '''4''', 3, '''2''', 1, −1, −2, −3
  |oxidation states comment=(a&nbsp;mildly [[base (chemistry)|basic]] oxide)
  |electronegativity=2.28
  |number of ionization energies=2
  |ionization energy 1=870
  |ionization energy 2=1791
  |atomic radius=139
  |covalent radius=136±5
  |Van der Waals radius=175
  |magnetic ordering=[[paramagnetism|paramagnetic]]
  |electrical resistivity unit prefix=n
  |electrical resistivity at 20=105
  |thermal conductivity=71.6
  |thermal expansion at 25=8.8
  |speed of sound rod at r.t.=2800
  |tensile strength=125&ndash;240
  |Young's modulus=168
  |Shear modulus=61
  |Bulk modulus=230
  |Poisson ratio=0.38
  |Mohs hardness=3.5
  |Vickers hardness=400–550
  |Brinell hardness= 300–500
  |CAS number=7440-06-4
  |isotopes=
  {{infobox element/isotopes decay | mn=190 | sym=Pt
   | na=0.014% | hl=6.5&times;10<sup>11</sup>&nbsp;y
   | dm=[[alpha decay|α]] | de=3.252 | link1=osmium-186 | pn=186 | ps=Os}}
  {{infobox element/isotopes decay | mn=192 | sym=Pt | na=0.782% | hl=>4.7×10<sup>16</sup>&nbsp;y
   | dm=(α) |de=2.4181 | link1=osmium-188 | pn=188 | ps=Os}}
  {{infobox element/isotopes decay | mn=193 | sym=Pt
   | na=[[synthetic radioisotope|syn]] | hl=50&nbsp;y
   | dm=[[electron capture|ε]] | de=– | link1=iridium-193 | pn=193 | ps=Ir}}
  {{infobox element/isotopes decay | mn=194 | sym=Pt | na=32.967% | hl=– | dm=(α) | de=1.5045 | link1=osmium-190 | pn=190 | ps=Os }}
  {{infobox element/isotopes decay | mn=195 | sym=Pt | na=33.832% | hl=– | dm=(α) | de=1.1581 | link1=osmium-191 | pn=191 | ps=Os }}
  {{infobox element/isotopes decay | mn=196 | sym=Pt | na=25.242% | hl=– | dm=(α) | de=0.7942 | link1=osmium-192 | pn=192 | ps=Os }}
  {{infobox element/isotopes decay2 | mn=198 | sym=Pt | na=7.163% | hl=>3.2×10<sup>14</sup>&nbsp;y
   | dm1=(α) |de1=0.0870 | link1=osmium-194 | pn1=194 | ps1=Os
   | dm2=([[double beta decay|β<sup>−</sup>β<sup>−</sup>]]) | de2=1.0472 | link2=mercury-198 | pn2=198 | ps2=Hg}}
  |isotopes comment=Decay modes in parentheses are predicted, but have not yet been observed
  |discovery and first isolation by=[[Antonio de Ulloa]]
  |discovery date=1735
  }}
  '''Băh-gĭng''' (白金) iâ hô̤ lā̤ '''bŏ̤h''' (鉑), sê siŏh cṳ̄ng [[gĭng-sṳ̆k]], iâ sê siŏh cṳ̄ng [[huá-hŏk nguòng-só]]. [[Nguòng-cṳ̄ sê̤ṳ-só]] sê 78, huá-hŏk hù-hô̤ sê Pt.
  
  ==Huá-hŏk séng-cék==
  
  ==Éng-ê̤ṳng==
  
  ==Cié-chṳ̄==
  
  ==Chăng-kō̤ cṳ̆-lâiu==
  {{reflist}}
  
  {{Ciŭ-gĭ-biēu}}
  {{authority control}}
  
  [[分類:Gĭng-sṳ̆k]]
  [[分類:Huá-hŏk]]
  [[分類:Huá-hŏk nguòng-só]]