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{{Infotaula d'element químic
| nom anglès = Yttrium
| enllaç alternatiu isòtops = Isòtops de l'itri
|number=39
|symbol=Y
|name=Itri
|pronounce={{IPAc-en|ˈ|ɪ|t|r|i|əm}} {{respell|IT|ree-əm}}
|left=[[Estronci]]
|right=[[Zirconi]]
|above=[[Escandi|Sc]]
|below=[[Luteci|Lu]]
|series = Metalls de transició
|group=3
|period=5
|block=d
|image name=Yttrium_sublimed_dendritic_and_1cm3_cube.jpg
|image name comment=
|image name 2=Yttrium spectrum visible.png
|image name 2 comment=Línies espectrals de l'itri
|appearance=Blanc platejat
|atomic mass=88.90585
|electron configuration=&#91;[[criptó|Kr]]&#93; 4d<sup>1</sup> 5s<sup>2</sup>
|electrons per shell= 2, 8, 18, 9, 2
|phase= Sòlid
|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
|oxidation states= '''3''', 2, 1 (òxid [[base (química)|bàsic]] feble)
|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= [[Paramagnètic]]<ref name=magnet>[http://www-d0.fnal.gov/hardware/cal/lvps_info/engineering/elementmagn.pdf Magnetic susceptibility of the elements and inorganic compounds], a ''Handbook of Chemistry and Physics'', 81a edició, CRC press. </ref>
|electrical resistivity= ([[temperatura ambient|t. a.]]) (α, poli) 596 n
|thermal conductivity= 17.2
|thermal expansion= ([[temperatura ambient|t. a.]]) (α, poli)<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=[[radioisòtop sintètic|sin]] | hl=3.35 [[dia|d]]
 | dm1=[[captura electronica|ε]] | de1=- | pn1=87 | ps1=[[estronci|Sr]]
 | dm2=[[radiació gamma|γ]] | de2=0.48<br />0.38[[radiació nuclear retardada|D]] | pn2= | ps2=-}}
{{Elementbox_isotopes_decay2 | mn=88 | sym=Y
 | na=[[radioisòtop sintètic|sin]] | hl=106.6 d
 | dm1=ε | de1=- | pn1=88 | ps1=[[estronci|Sr]]
 | dm2=γ | de2=1.83<br />0.89 | pn2= | ps2=-}}
{{Elementbox_isotopes_stable | mn=89 | sym=Y | na=100% | n=50}}
{{Elementbox_isotopes_decay2 | mn=90 | sym=Y
 | na=[[radioisòtop sintètic|sin]] | hl=2.67 d
 | dm1=[[desintegració beta|β<sup>−</sup>]] | de1=2.28 | pn1=90 | ps1=[[zirconi|Zr]]
 | dm2=γ | de2=2.18 | pn2= | ps2=-}}
{{Elementbox_isotopes_decay2 | mn=91 | sym=Y
 | na=[[radioisòtop sintètic|sin]] | hl=58.5 d
 | dm1=β<sup>−</sup> | de1=1.54 | pn1=91 | ps1=[[zirconi|Zr]]
 | dm2=γ | de2=1.20 | pn2= | ps2=-}}
|isotopes comment=
}}<noinclude>
== Referències que es mostraran a l'article ==
{{referències}}

[[Categoria:Infotaules d'elements químics]]
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