text: # Yttrium
  Chăng-kō̤ Mìng-dĕ̤ng-ngṳ̄ Háng-cê gì bēng-buōng. / 參考閩東語漢字其版本。
  Yttrium sê siŏh cṳ̄ng gĭng-sṳ̆k, iâ sê siŏh cṳ̄ng huá-hŏk nguòng-só.  Nguòng-cṳ̄ sê̤ṳ-só sê 39, huá-hŏk hù-hô̤ sê Y.
  
title: Yttrium
wikitext: {{twinLAT|釔}}
  {{infobox element
  |number=39
  |symbol=Y
  |name=Yttri
  |enname=yttrium
  |laname=yttrium
  |left=[[strontium|Stronti]]
  |right=[[zirconium|Zirconi]]
  |above=[[scandium|Scandi]]
  |below=[[lutetium|Luteti]]
  |series=guó-dô gĭng-sṳ̆k
  |group=3
  |period=5
  |block=d
  |image name=Yttrium_sublimed_dendritic_and_1cm3_cube.jpg
  |image name comment=
  |appearance=silvery white
  |atomic mass=88.90584
  |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=2
  |atomic mass comment=
  |electron configuration=&#91;[[krypton|Kr]]&#93; 4d<sup>1</sup> 5s<sup>2</sup>
  |electrons per shell=2, 8, 18, 9, 2
  |phase=gó-tā̤
  |phase comment=
  |density gpcm3nrt=4.472
  |density gpcm3mp=4.24
  |melting point K=1799
  |melting point C=1526
  |melting point F=2779
  |boiling point K=3203
  |boiling point C=2930
  |boiling point F=5306
  |heat fusion=11.42
  |heat vaporization=363
  |heat capacity=26.53
  |vapor pressure 1=1883
  |vapor pressure 10=2075
  |vapor pressure 100= (2320)
  |vapor pressure 1 k= (2627)
  |vapor pressure 10 k= (3036)
  |vapor pressure 100 k= (3607)
  |vapor pressure comment=
  |crystal structure=hexagonal close packed
  |oxidation states='''3''', 2, 1
  |oxidation states comment=(a weakly basic oxide)
  |electronegativity=1.22
  |number of ionization energies=3
  |ionization energy 1=600
  |ionization energy 2=1180
  |ionization energy 3=1980
  |atomic radius=180
  |covalent radius=190±7
  |magnetic ordering=[[paramagnetic]]
  |magnetic ordering ref=<ref name=magnet>{{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>
  |electrical resistivity=α, poly: 596
  |electrical resistivity unit prefix=n
  |electrical resistivity comment=(at {{abbr|r.t.|room temperature}}) 
  |thermal conductivity=17.2
  |thermal expansion=α, poly: 10.6
  |thermal expansion comment=(at {{abbr|r.t.|room temperature}}) 
  |speed of sound rod at 20=3300
  |Young's modulus=63.5
  |Shear modulus=25.6
  |Bulk modulus=41.2
  |Poisson ratio=0.243
  |Brinell hardness=200–589
  |CAS number=7440-65-5
  |isotopes=
  {{infobox element/isotopes decay2 | mn=87 | sym=Y
   | na=[[synthetic radioisotope|syn]] | hl=3.35&nbsp;d
   | dm1=[[electron capture|ε]] | de1=– | link1=strontium-87 | pn1=87 | ps1=Sr
   | dm2=[[gamma radiation|γ]] | de2=0.48, 0.38[[delayed nuclear radiation|D]] | pn2= | ps2=–}}
  {{infobox element/isotopes decay2 | mn=88 | sym=Y
   | na=syn | hl=106.6&nbsp;d
   | dm1=ε | de1=– | link1=strontium-88 | pn1=88 | ps1=Sr
   | dm2=γ | de2=1.83, 0.89 | pn2= | ps2=–}}
  {{Infobox element/isotopes stable | mn=89 | sym=Y | na=100% | n=50 |firstlinks=yes}}
  {{infobox element/isotopes decay2 | mn=90 | sym=Y
   | na=syn | hl=2.67&nbsp;d
   | dm1=[[beta decay|β<sup>−</sup>]] | de1=2.28 | link1=zirconium-90 | pn1=90 | ps1=Zr
   | dm2=γ | de2=2.18 | pn2= | ps2=–}}
  {{infobox element/isotopes decay2 | mn=91 | sym=Y
   | na=syn | hl=58.5&nbsp;d
   | dm1=β<sup>−</sup> | de1=1.54 | link1=zirconium-91 | pn1=91 | ps1=Zr
   | dm2=γ | de2=1.20 | pn2= | ps2=–}}
  |isotopes comment=
  |naming=after [[Ytterby]], Sweden and its mineral [[ytterbite]]&nbsp;(gadolinite)
  |discovered by=[[Johan Gadolin]]
  |discovery date=1794
  |first isolation by=[[Carl Gustav Mosander]]
  |first isolation date=1840
  }}
  '''Yttrium''' sê siŏh cṳ̄ng [[gĭng-sṳ̆k]], iâ sê siŏh cṳ̄ng [[huá-hŏk nguòng-só]].  [[Nguòng-cṳ̄ sê̤ṳ-só]] sê 39, huá-hŏk hù-hô̤ sê Y.
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