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Ítríọ̀mù

Lát'ọwọ́ Wikipedia, ìwé ìmọ̀ ọ̀fẹ́
(Àtúnjúwe látiYttrium)
Chemical element with atomic number 39Àdàkọ:SHORTDESC:Chemical element with atomic number 39
Yttrium, 39Y
Yttrium
Pípè/ˈɪtriəm/ ​(IT-ree-əm)
Ìhànsójúsilvery white
Ìwúwo átọ̀mù Ar, std(Y)88.90584(1)[1]
Yttrium ní orítábìlì àyè
HydrogenHelium
LithiumBerylliumBoronCarbonNitrogenOxygenFluorineNeon
SodiumMagnesiumAluminiumSiliconPhosphorusSulfurChlorineArgon
PotassiumCalciumScandiumTitaniumVanadiumChromiumManganeseIronCobaltNickelCopperZincGalliumGermaniumArsenicSeleniumBromineKrypton
RubidiumStrontiumYttriumZirconiumNiobiumMolybdenumTechnetiumRutheniumRhodiumPalladiumSilverCadmiumIndiumTinAntimonyTelluriumIodineXenon
CaesiumBariumLanthanumCeriumPraseodymiumNeodymiumPromethiumSamariumEuropiumGadoliniumTerbiumDysprosiumHolmiumErbiumThuliumYtterbiumLutetiumHafniumTantalumTungstenRheniumOsmiumIridiumPlatinumGoldMercury (element)ThalliumLeadBismuthPoloniumAstatineRadon
FranciumRadiumActiniumThoriumProtactiniumUraniumNeptuniumPlutoniumAmericiumCuriumBerkeliumCaliforniumEinsteiniumFermiumMendeleviumNobeliumLawrenciumRutherfordiumDubniumSeaborgiumBohriumHassiumMeitneriumDarmstadtiumRoentgeniumCoperniciumNihoniumFleroviumMoscoviumLivermoriumTennessineOganesson
Sc
↑
Y
↓
La
strontium ←yttrium →zirconium
Nọ́mbà átọ̀mù(Z)39
Ẹgbẹ́group 3
Àyèàyè 5
Àdìpọ̀Àdìpọ̀-d
Ẹ̀ka ẹ́límẹ́ntì Transition metal
Ìtò ẹ̀lẹ́ktrọ́nù[Kr] 4d1 5s2
Iye ẹ̀lẹ́ktrọ́nù lórí ìpele kọ̀ọ̀kan2, 8, 18, 9, 2
Àwọn ohun ìní ara
Ìfarahànat STPsolid
Ìgbà ìyọ́1799 K ​(1526 °C, ​2779 °F)
Ígbà ìhó3609 K ​(3336 °C, ​6037 °F)
Kíki (near r.t.)4.472 g/cm3
when liquid (at m.p.)4.24 g/cm3
Heat of fusion11.42 kJ/mol
Heat of365 kJ/mol
Molar heat capacity26.53 J/(mol·K)
 pressure
P (Pa)1101001 k10 k100 k
at T (K)18832075(2320)(2627)(3036)(3607)
Atomic properties
Oxidation states0,[2] +1, +2,+3Àdàkọ:Infobox element/symbol-to-oxidation-state/comment
ElectronegativityPauling scale: 1.22
Atomic radiusempirical: 180 pm
Covalent radius190±7 pm
Color lines in a spectral range
Color lines in a spectral range
Spectral lines of yttrium
Other properties
Natural occurrenceprimordial
Crystal structure ​hexagonal
Hexagonal crystal structure for yttrium
Speed of sound thin rod3300 m/s (at 20 °C)
Thermal expansion(r.t.) (α, poly)
10.6 µm/(m·K)
Thermal conductivity17.2 W/(m·K)
Electrical resistivity(r.t.) (α, poly) 596 n Ω·m
Magnetic orderingparamagnetic[3]
Young's modulus63.5 GPa
Shear modulus25.6 GPa
Bulk modulus41.2 GPa
Poisson ratio0.243
Brinell hardness589 MPa
CAS Number7440-65-5
Mainisotopes of yttrium
Iso­topeAbun­danceHalf-life(t1/2)Decay modePro­duct
87Ysyn3.35dε-87Sr
γ0.48, 0.38D-
88Ysyn106.6 dε-88Sr
γ1.83, 0.89-
89Y100%89Y isstable with 50neutrons
90Ysyn2.67 dβ−2.2890Zr
γ2.18-
91Ysyn58.5 dβ−1.5491Zr
γ1.20-
Àdàkọ:Category-inline
| references


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  1. ↑Meija, Juris; Coplen, Tyler B.; Berglund, Michael; Brand, Willi A.; De Bièvre, Paul; Gröning, Manfred; Holden, Norman E.; Irrgeher, Johanna et al. (2016). "Atomic weights of the elements 2013 (IUPAC Technical Report)". Pure and Applied Chemistry 88 (3): 265–91. doi:10.1515/pac-2015-0305. 
  2. ↑Yttrium and all lanthanides except Ce, Pm, Eu, Tm, Yb have been observed in the oxidation state 0 in bis(1,3,5-tri-t-butylbenzene) complexes, seeCloke, F. Geoffrey N. (1993). "Zero Oxidation State Compounds of Scandium, Yttrium, and the Lanthanides". Chem. Soc. Rev. 22: 17–24. doi:10.1039/CS9932200017. 
  3. ↑Magnetic susceptibility of the elements and inorganic compounds, in Handbook of Chemistry and Physics 81th edition, CRC press.
 wò • if. • at. Tábìlì ìdásìkò
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6CsBaLaCePrNdPmSmEuGdTbDyHoErTmYbLuHfTaWReOsIrPtAuHgTlPbBiPoAtRn
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Mẹ́tàlì álkálìMẹ́tàlì alkalínì ilẹ̀LanthanideÁktínídìTransition metalPost-transition metalMẹ́tálọ́ìdìÀìjẹ́mẹ́tàlì mírànHalojínẸ̀fúùfù abíireUnknown chemical properties
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