See soorce fer Template:Infobox yttrium

{{Elementbox
|number=39
|symbol=Y
|name=yttrium
|pronounce={{IPAc-en|ˈ|ɪ|t|r|i|ə|m}} {{respell|IT|ree-əm}}
|left=[[strontium]]
|right=[[zirconium]]
|above=[[scandium|Sc]]
|below=[[lutetium|Lu]]
|category=transeetion metal
|group=3
|period=5
|block=d
|image name=Yttrium_sublimed_dendritic_and_1cm3_cube.jpg
|image name comment=
|appearance=sillery white
|atomic mass= 88.90584
|atomic mass 2=2
|electron configuration=&#91;[[krypton|Kr]]&#93; 4d<sup>1</sup> 5s<sup>2</sup>
|electrons per shell= 2, 8, 18, 9, 2
|phase= solit
|phase comment=
|density gpcm3nrt= 4.472
|density gpcm3mp= 4.24
|melting point K=1799
|melting point C=1526
|melting point F=2779
|melting point pressure=
|boiling point K=3609
|boiling point C=3336
|boiling point F=6037
|heat fusion= 11.42
|heat vaporization= 365
|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 (weakly basic oxide)
|electronegativity= 1.22
|number of ionization energies=3
|1st ionization energy= 600
|2nd ionization energy=	1180
|3rd ionization energy= 1980
|atomic radius= 180
|covalent radius= 190±7
|magnetic ordering= [[paramagnetic]]<ref name=magnet>[http://www-d0.fnal.gov/hardware/cal/lvps_info/engineering/elementmagn.pdf Magnetic susceptibility of the elements and inorganic compounds], in ''Handbook of Chemistry and Physics'' 81st edition, CRC press. </ref>
|electrical resistivity= ([[ruim temperatur|r.t.]]) (α, poly) 596 n
|thermal conductivity= 17.2
|thermal expansion= ([[ruim temperatur|r.t.]]) (α, poly)<br />10.6
|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= 589
|CAS number= 7440-65-5
|isotopes=
{{Elementbox_isotopes_decay2 | mn=87 | sym=Y
 | na=[[synthetic radioisotope|syn]] | hl=3.35 [[day|d]]
 | dm1=[[electron captur|ε]] | de1=- | link1=strontium-87 | pn1=87 | ps1=Sr
 | dm2=[[gamma radiation|γ]] | de2=0.48, 0.38[[delayed nuclear radiation|D]] | pn2= | ps2=-}}
{{Elementbox_isotopes_decay2 | mn=88 | sym=Y
 | na=[[synthetic radioisotope|syn]] | hl=106.6 d
 | dm1=ε | de1=- | link1=strontium-88 | pn1=88 | ps1=Sr
 | dm2=γ | de2=1.83, 0.89 | pn2= | ps2=-}}
{{Elementbox_isotopes_stable | mn=89 | sym=Y | na=100% | n=50}}
{{Elementbox_isotopes_decay2 | mn=90 | sym=Y
 | na=[[synthetic radioisotope|syn]] | hl=2.67 d
 | dm1=[[beta decay|β<sup>−</sup>]] | de1=2.28 | link1=zirconium-90 | pn1=90 | ps1=Zr
 | dm2=γ | de2=2.18 | pn2= | ps2=-}}
{{Elementbox_isotopes_decay2 | mn=91 | sym=Y
 | na=[[synthetic radioisotope|syn]] | hl=58.5 d
 | dm1=β<sup>−</sup> | de1=1.54 | link1=zirconium-91 | pn1=91 | ps1=Zr
 | dm2=γ | de2=1.20 | pn2= | ps2=-}}
|isotopes comment=
|etymology=after [[Ytterby]] (Swaden) an its mineral [[ytterbite]]
|discovered by=[[Johan Gadolin]]
|discovery date=1794
|first isolation by=[[Carl Gustav Mosander]]
|first isolation date=1840
}}<noinclude>
{{Template reference list}}
[[Category:Periodic table infobox templates|Yttrium]]

</noinclude>