text: # Ngiĕk
  Chăng-kō̤ Mìng-dĕ̤ng-ngṳ̄ Háng-cê gì bēng-buōng. / 參考閩東語漢字其版本。
  Ngiĕk (鎳) sê siŏh cṳ̄ng gĭng-sṳ̆k, iâ sê siŏh cṳ̄ng huá-hŏk nguòng-só. Nguòng-cṳ̄ sê̤ṳ-só sê 28, huá-hŏk hù-hô̤ sê Ni.
title: Ngiĕk
wikitext: {{twinLAT|鎳}}
  {{Infobox element
  |name=Niken
  |laname=niccolum
  |number=28
  |symbol=Ni
  |left=[[Gū (gĭng-sṳ̆k)|coban]]
  |right=[[dè̤ng]]
  |above=–
  |below=[[Bă (gĭng-sṳ̆k)|Paladi]]
  |series=guó-dô gĭng-sṳ̆k
  |series comment=
  |group=10
  |period=4
  |block=d
  |series color=
  |appearance=lustrous, metallic, and silver with a gold tinge
  |image name=Nickel chunk.jpg
  |image size=
  |image name comment=
  |image alt=A pitted and lumpy piece of silvery metal, with the top surface cut flat
  |image name 2=
  |image name 2 comment=
  |atomic mass=58.6934
  |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=4
  |atomic mass comment=
  |electron configuration=&#91;[[argon|Ar]]&#93; 3d<sup>8</sup> 4s<sup>2</sup> ''or''<br/> &#91;Ar&#93; 3d<sup>9</sup> 4s<sup>1</sup>
  |electron configuration comment=
  |electrons per shell=2, 8, 16, 2 ''or'' 2, 8, 17, 1
  |color=
  |phase=gó-tā̤
  |phase comment=
  |density gplstp=
  |density gpcm3nrt=8.908
  |density gpcm3nrt 2=
  |density gpcm3mp=7.81
  |melting point K=1728
  |melting point C=1455
  |melting point F=2651
  |boiling point K=3003
  |boiling point C=2730
  |boiling point F=4946
  |triple point K=
  |triple point kPa=
  |critical point K=
  |critical point MPa=
  |heat fusion=17.48
  |heat fusion 2=
  |heat vaporization=379
  |heat capacity=26.07
  |vapor pressure 1=1783
  |vapor pressure 10=1950
  |vapor pressure 100=2154
  |vapor pressure 1 k=2410
  |vapor pressure 10 k=2741
  |vapor pressure 100 k=3184
  |vapor pressure comment=
  |crystal structure=face-centered cubic
  |oxidation states=4,<ref>{{cite journal| title=A Stable Tetraalkyl Complex of Nickel(IV)| journal=Angewandte Chemie International Edition| year=2009| volume=48 | issue=2| page=3384| doi=10.1002/anie.200804435| last1=Carnes| first1=Matthew| last2=Buccella| first2=Daniela| last3=Chen| first3=Judy Y.-C.| last4=Ramirez| first4=Arthur P.| last5=Turro| first5=Nicholas J.| last6=Nuckolls| first6=Colin| last7=Steigerwald| first7=Michael}}</ref> 3, '''2''', 1,<ref>{{cite journal| title=A Dinuclear Nickel(I) Dinitrogen Complex and its Reduction in Single-Electron Steps| journal=Angewandte Chemie International Edition| year=2009| volume=48 | issue=18| page=3357| doi=10.1002/anie.200805862| last1=Pfirrmann| first1=Stefan| last2=Limberg| first2=Christian| last3=Herwig| first3=Christian| last4=Stößer| first4=Reinhard| last5=Ziemer| first5=Burkhard}}</ref> −1, −2
  |oxidation states comment=(a mildly [[base (chemistry)|basic]] oxide)
  |electronegativity=1.91
  |number of ionization energies=4
  |ionization energy 1=737.1
  |ionization energy 2=1753.0
  |ionization energy 3=3395
  |atomic radius=124
  |atomic radius calculated=
  |covalent radius=124±4
  |Van der Waals radius=163
  |magnetic ordering=[[ferromagnetism|ferromagnetic]]
  |electrical resistivity=
  |electrical resistivity unit prefix=n
  |electrical resistivity at 0=
  |electrical resistivity at 20=69.3
  |thermal conductivity=90.9
  |thermal conductivity 2=
  |thermal diffusivity=
  |thermal expansion=
  |thermal expansion at 25=13.4
  |speed of sound=
  |speed of sound rod at 20=
  |speed of sound rod at r.t.=4900
  |Young's modulus=200
  |Shear modulus=76
  |Bulk modulus=180
  |Poisson ratio=0.31
  |Mohs hardness=4.0
  |Vickers hardness=638
  |Brinell hardness=667–1600
  |CAS number=7440-02-0
  |isotopes=
  {{infobox element/isotopes decay | mn=58 | sym=Ni | na=68.077% |hl=[[1 E19 s and more|>7×10<sup>20</sup>&nbsp;y]] |dm=([[double beta decay|β<sup>+</sup>β<sup>+</sup>]]) | de=1.9258 | link1=iron-58 | pn=58 | ps=Fe}}
  {{infobox element/isotopes decay | mn=59 | sym=Ni | na=[[trace radioisotope|trace]] | hl=[[1 E12 s|7.6×10<sup>4</sup>&nbsp;y]] | dm=[[electron capture|ε]] | de=– | link1=cobalt-59 | pn=59 | ps=Co}}
  {{Infobox element/isotopes stable | mn=60 | sym=Ni | na=26.223% | n=32 |firstlinks=yes}}
  {{Infobox element/isotopes stable | mn=61 | sym=Ni | na=1.14% | n=33 |firstlinks=no}}
  {{Infobox element/isotopes stable | mn=62 | sym=Ni | na=3.634% | n=34 |firstlinks=no}}
  {{infobox element/isotopes decay | mn=63 | sym=Ni | na=[[synthetic radioisotope|syn]] | hl=[[1 E9 s|100.1&nbsp;y]] | dm=[[Beta decay|β<sup>−</sup>]] | de=0.0669 | link1=copper-63 | pn=63 | ps=Cu}}
  {{Infobox element/isotopes stable | mn=64 | sym=Ni | na=0.926% | n=36 |firstlinks=no}}
  |isotopes comment=Decay modes in parentheses are predicted, but have not yet been observed
  |discovery and first isolation by=[[Axel Fredrik Cronstedt]]
  |discovery date=1751
  }}
  '''Ngiĕk''' (鎳) sê siŏh cṳ̄ng [[gĭng-sṳ̆k]], iâ sê siŏh cṳ̄ng [[huá-hŏk nguòng-só]]. [[Nguòng-cṳ̄ sê̤ṳ-só]] sê 28, huá-hŏk hù-hô̤ sê Ni.
  ==Huá-hŏk séng-cék==
  
  ==Éng-ê̤ṳng==
  
  ==Cié-chṳ̄==
  
  ==Chăng-kō̤ cṳ̆-lâiu==
  {{reflist}}
  
  {{Ciŭ-gĭ-biēu}}
  {{authority control}}
  
  [[分類:Huá-hŏk nguòng-só]]