text: # Dysprosium
  Chăng-kō̤ Mìng-dĕ̤ng-ngṳ̄ Háng-cê gì bēng-buōng. / 參考閩東語漢字其版本。
  Dysprosium sê siŏh cṳ̄ng gĭng-sṳ̆k, iâ sê siŏh cṳ̄ng huá-hŏk nguòng-só.  Nguòng-cṳ̄ sê̤ṳ-só sê 66, huá-hŏk hù-hô̤ sê Dy.
  
title: Dysprosium
wikitext: {{twinLAT|鏑}}
  {{Infobox element
  |number=66
  |symbol=Dy
  |name=Dysprosi
  |laname=dysprosium
  |left=[[terbium|Terbi]]
  |right=[[holmium|Holmi]]
  |above=–
  |below=[[californium|Californi]]
  |series=lanthanum-hiê
  |group=n/a
  |period=6
  |block=f
  |image name=Dy chips.jpg
  |appearance=silvery white
  |atomic mass=162.500
  |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>10</sup> 6s<sup>2</sup>
  |electrons per shell=2, 8, 18, 28, 8, 2
  |phase=gó-tā̤
  |density gpcm3nrt=8.540
  |density gpcm3mp=8.37
  |melting point K=1680
  |melting point C=1407
  |melting point F=2565
  |boiling point K=2840
  |boiling point C=2562
  |boiling point F=4653
  |heat fusion=11.06
  |heat vaporization=280
  |heat capacity=27.7
  |vapor pressure 1=1378
  |vapor pressure 10=1523
  |vapor pressure 100=(1704)
  |vapor pressure 1 k=(1954)
  |vapor pressure 10 k=(2304)
  |vapor pressure 100 k=(2831)
  |vapor pressure comment=
  |crystal structure=hexagonal close packed
  |oxidation states= 4, '''3''', 2, 1
  |oxidation states comment=(a&nbsp;weakly [[base (chemistry)|basic]] oxide)
  |electronegativity=1.22
  |number of ionization energies=3
  |ionization energy 1=573.0
  |ionization energy 2=1130
  |ionization energy 3=2200
  |atomic radius=178
  |covalent radius=192±7
  |magnetic ordering=[[paramagnetic]] at 300 K
  |electrical resistivity unit prefix=n
  |electrical resistivity=α, poly: 926
  |electrical resistivity comment=({{abbr|r.t.|room temperature}})
  |thermal conductivity=10.7
  |thermal expansion=α, poly: 9.9
  |thermal expansion comment=({{abbr|r.t.|room temperature}})
  |speed of sound rod at 20=2710
  |Young's modulus=α form: 61.4
  |Shear modulus=α form: 24.7
  |Bulk modulus=α form: 40.5
  |Poisson ratio=α form: 0.247
  |Vickers hardness=410–550
  |Brinell hardness=500–1050
  |CAS number=7429-91-6
  |isotopes=
  {{infobox element/isotopes decay | mn=154 | sym=Dy
   | na=[[synthetic radioisotope|syn]] | hl=3.0×10<sup>6</sup>&nbsp;y
   | dm=[[alpha decay|α]] | de=2.947 | link1=gadolinium-150 | pn=150 | ps=Gd}}
  {{infobox element/isotopes decay2 | mn=156 | sym=Dy | na=0.06% | hl=>1&times;10<sup>18</sup>&nbsp;y
   | dm1=(α) | de1=1.7579 | link1=gadolinium-152 | pn1=152 | ps1=Gd
   | dm2=([[double beta decay|β<sup>+</sup>β<sup>+</sup>]]) | link2=gadolinium-156 | de2=2.0108 | pn2=156 | ps2=Gd}}
  {{infobox element/isotopes decay2 | mn=158 | sym=Dy | na=0.10% | hl=–
   | dm1=(α) | de1=0.8748 | link1=gadolinium-154 | pn1=154 | ps1=Gd
   | dm2=(β<sup>+</sup>β<sup>+</sup>) | link2=gadolinium-158 | de2=0.2833 | pn2=158 | ps2=Gd}}
  {{infobox element/isotopes decay | mn=160 | sym=Dy | na=2.34% | hl=– | dm=(α) | de=0.4387 | pn=156 | ps=Gd }}
  {{infobox element/isotopes decay | mn=161 | sym=Dy | na=18.91% | hl=– | dm=(α) | de=0.3443 | link1=gadolinium-157 | pn=157 | ps=Gd }}
  {{infobox element/isotopes decay | mn=162 | sym=Dy | na=25.51% | hl=– | dm=(α) | de=0.0847  | pn=158 | ps=Gd }}
  {{infobox element/isotopes decay | mn=163 | sym=Dy | na=24.90% | hl=– | dm=([[spontaneous fission|SF]]) | de=&lt;79.055 | pn= | ps= }}
  {{infobox element/isotopes decay | mn=164 | sym=Dy | na=28.18% | hl=– | dm=(SF) | de=&lt;79.499 | pn= | ps= }}
  |isotopes comment=Decay modes in parentheses are predicted, but have not yet been observed
  |discovered by=[[Lecoq de Boisbaudran]]
  |discovery date=1886
  }}
  '''Dysprosium''' sê siŏh cṳ̄ng [[gĭng-sṳ̆k]], iâ sê siŏh cṳ̄ng [[huá-hŏk nguòng-só]].  [[Nguòng-cṳ̄ sê̤ṳ-só]] sê 66, huá-hŏk hù-hô̤ sê Dy.
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