Dysprosium

Dysprosium (pípè /dɪsˈproʊziəm/, dis-PROE-zee-əm) je ipilese elegbogi pelu ami-idamo Dy ati nomba atomu 66.

Dysprosium, ₆₆Dy

Dysprosium
Pípè	/dɪsˈproʊziəm/ ​(dis-PROH-zee-əm)
Ìhànsójú	silvery white
Ìwúwo átọ̀mù Ar, std(Dy)	162.500(1)[1]
Dysprosium 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 - ↑ Dy ↓ Cf terbium ← dysprosium → holmium
Nọ́mbà átọ̀mù (Z)	66
Ẹgbẹ́	group n/a
Àyè	àyè 6
Àdìpọ̀	Àdìpọ̀-f
Ẹ̀ka ẹ́límẹ́ntì	Lanthanide
Ìtò ẹ̀lẹ́ktrọ́nù	[Xe] 4f10 6s2
Iye ẹ̀lẹ́ktrọ́nù lórí ìpele kọ̀ọ̀kan	2, 8, 18, 28, 8, 2
Àwọn ohun ìní ara
Ìfarahàn at STP	solid
Ìgbà ìyọ́	1680 K ​(1407 °C, ​2565 °F)
Ígbà ìhó	2840 K ​(2562 °C, ​4653 °F)
Kíki (near r.t.)	8.540 g/cm3
when liquid (at m.p.)	8.37 g/cm3
Heat of fusion	11.06 kJ/mol
Heat of	280 kJ/mol
Molar heat capacity	27.7 J/(mol·K)
pressure P (Pa) 1 10 100 1 k 10 k 100 k at T (K) 1378 1523 (1704) (1954) (2304) (2831)
Atomic properties
Oxidation states	0,[2] +1, +2, +3, +4 Àdàkọ:Infobox element/symbol-to-oxidation-state/comment
Electronegativity	Pauling scale: 1.22
Atomic radius	empirical: 178 pm
Covalent radius	192±7 pm
Color lines in a spectral range Spectral lines of dysprosium
Other properties
Natural occurrence	primordial
Crystal structure	​hexagonal
Speed of sound thin rod	2710 m/s (at 20 °C)
Thermal expansion	(r.t.) (α, poly) 9.9 µm/(m·K)
Thermal conductivity	10.7 W/(m·K)
Electrical resistivity	(r.t.) (α, poly) 926 n Ω·m
Magnetic ordering	paramagnetic at 300 K
Young's modulus	(α form) 61.4 GPa
Shear modulus	(α form) 24.7 GPa
Bulk modulus	(α form) 40.5 GPa
Poisson ratio	(α form) 0.247
Vickers hardness	540 MPa
Brinell hardness	500 MPa
CAS Number	7429-91-6
Main isotopes of dysprosium
Iso­tope Abun­dance Half-life (t1/2) Decay mode Pro­duct 154Dy syn 3.0×106y α 2.947 150Gd 156Dy 0.06% 1×1018y α  ? 152Gd 158Dy 0.10% 158Dy is stable with 92 neutrons 160Dy 2.34% 160Dy is stable with 94 neutrons 161Dy 18.91% 161Dy is stable with 95 neutrons 162Dy 25.51% 162Dy is stable with 96 neutrons 163Dy 24.90% 163Dy is stable with 97 neutrons 164Dy 28.18% 164Dy is stable with 98 neutrons
Àdàkọ:Category-inline wo ọ̀rọ̀ àtúnṣe | references

Itumosi

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.