Disprosyo

Dysprosium
66Dy
- ↑ Dy ↓ Cf Periodic table terbium ← dysprosium → holmium
Panagway
silvery white
Kinatibuk-ang mga kinaiya
Ngalan, simbolo, kaiphan	dysprosium, Dy, 66
Paglitok	/dɪsˈproʊziəm/ [[Help:Pronunciation respelling key|dis-Plantilya:Smallcaps all-zee-əm]]
Kategoriyang elemento	puthaw nga lantanido
Group, period, block	n/a, 6, f
Gibug-aton sa atomo	162.500
Kontorno sa elektron	[Xe] 4f10 6s2 2, 8, 18, 28, 8, 2 Electron shells of dysprosium (2, 8, 18, 28, 8, 2)
History
Pagkadiskobre	Lecoq de Boisbaudran (1886)
Physical properties
Phase	magahi
Density (near r.t.)	8.540 g·cm−3
Liquid density at m.p.	8.37 g·cm−3
Melting point	1680 K, 1407 °C, 2565 °F
Boiling point	2840 K, 2562 °C, 4653 °F
Heat of fusion	11.06 kJ·mol−1
Heat of vaporization	280 kJ·mol−1
Molar heat capacity	27.7 J·mol−1·K−1
Vapor 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	3, 2, 1 (weakly basic oxide)
Electronegativity	1.22 (Pauling scale)
Ionization energies	1st: 573.0 kJ·mol−1
	2nd: 1130 kJ·mol−1
	3rd: 2200 kJ·mol−1
Atomic radius	178 pm
Covalent radius	192±7 pm
Miscellanea
Crystal structure	hexagonal
Magnetic ordering	paramagnetic at 300 K
Electrical resistivity	(r.t.) (α, poly) 926 nΩ·m
Thermal conductivity	10.7 W·m−1·K−1
Thermal expansion	(r.t.) (α, poly) 9.9 µm/(m·K)
Speed of sound (thin rod)	(20 °C) 2710 m·s−1
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 registry number	7429-91-6
Most stable isotopes
Main article: Isotopes of dysprosium
iso NA half-life DM DE (MeV) DP 154Dy syn 3.0×106 y α 2.947 150Gd 156Dy 0.06% >1×1018 y α 2.0108 152Gd β+β+ 1.7579 156Gd 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

Ang disprosyo (Iningles dysprosium) mao ang elementong kimiko sa talaang peryodiko nga may simbolo nga Dy ug kaiphan nga atomik 66. Ang disprosyo mao ang puthaw nga lantanido.

Galeriya sa hulagway

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