Yttrium

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Yttrium, 39Y
Yttrium sublimed dendritic and 1cm3 cube.jpg
Yttrium
Pípè /ˈɪtriəm/ (IT-ree-əm)
Ìhànsójúsilvery white
Ìwúwo átọ̀mù Ar, std(Y)88.90584(1)[1]
Yttrium ní orí tábìlì àyè
Hydrogen Helium
Lithium Beryllium Boron Carbon Nitrogen Oxygen Fluorine Neon
Sodium Magnesium Aluminium Silicon Phosphorus Sulfur Chlorine Argon
Potassium Calcium Scandium Titanium Vanadium Chromium Manganese Iron Cobalt Nickel Copper Zinc Gallium Germanium Arsenic Selenium Bromine Krypton
Rubidium Strontium Yttrium Zirconium Niobium Molybdenum Technetium Ruthenium Rhodium Palladium Silver Cadmium Indium Tin Antimony Tellurium Iodine Xenon
Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium Ytterbium Lutetium Hafnium Tantalum Tungsten Rhenium Osmium Iridium Platinum Gold Mercury (element) Thallium Lead Bismuth Polonium Astatine Radon
Francium Radium Actinium Thorium Protactinium Uranium Neptunium Plutonium Americium Curium Berkelium Californium Einsteinium Fermium Mendelevium Nobelium Lawrencium Rutherfordium Dubnium Seaborgium Bohrium Hassium Meitnerium Darmstadtium Roentgenium Copernicium Nihonium Flerovium Moscovium Livermorium Tennessine Oganesson
Sc

Y

La
strontiumyttriumzirconium
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
Ìfarahàn at 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 of 365 kJ/mol
Molar heat capacity26.53 J/(mol·K)
 pressure
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 1883 2075 (2320) (2627) (3036) (3607)
Atomic properties
Oxidation states0,[2] +1, +2, +3 Àdàkọ: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
Spectral lines of yttrium
Other properties
Natural occurrenceprimordial
Crystal structurehexagonal
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
Main isotopes of yttrium
Iso­tope Abun­dance Half-life (t1/2) Decay mode Pro­duct
87Y syn 3.35 d ε - 87Sr
γ 0.48, 0.38D -
88Y syn 106.6 d ε - 88Sr
γ 1.83, 0.89 -
89Y 100% 89Y is stable with 50 neutrons
90Y syn 2.67 d β 2.28 90Zr
γ 2.18 -
91Y syn 58.5 d β 1.54 91Zr
γ 1.20 -
Àdàkọ:Category-inline
| references


Itokasi[àtúnṣe | àtúnṣe àmìọ̀rọ̀]

  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, see Cloke, 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.