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Erbyo

Gikan sa Wikipedia, ang gawasnong ensiklopedya
(Naredirek gikan sa Erbium)
Erbium
68Er
-

Er

Fm
Hydrogen (other non-metal)
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Dysprosium (lanthanoid)
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Erbium (lanthanoid)
Thulium (lanthanoid)
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Lutetium (lanthanoid)
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Bohrium (transition metal)
Hassium (transition metal)
Meitnerium (unknown chemical properties)
Darmstadtium (unknown chemical properties)
Roentgenium (unknown chemical properties)
Copernicium (transition metal)
Ununtrium (unknown chemical properties)
Flerovium (unknown chemical properties)
Ununpentium (unknown chemical properties)
Livermorium (unknown chemical properties)
Ununseptium (unknown chemical properties)
Ununoctium (unknown chemical properties)
holmiumerbiumthulium
Panagway
silvery white
Kinatibuk-ang mga kinaiya
Ngalan, simbolo, kaiphan erbium, Er, 68
Paglitok /ˈɜːrbiəm/ [[Help:Pronunciation respelling key|Plantilya:Smallcaps all-bee-əm]]
Kategoriyang elemento puthaw nga lantanido
Group, period, block [[group {{{group}}} element|{{{group}}}]], 6, f
Gibug-aton sa atomo 167.259
Kontorno sa elektron [Xe] 4f12 6s2
2, 8, 18, 30, 8, 2
Electron shells of erbium (2, 8, 18, 30, 8, 2)
Electron shells of erbium (2, 8, 18, 30, 8, 2)
History
Pagkadiskobre Carl Gustaf Mosander (1842)
Physical properties
Phase magahi
Density (near r.t.) 9.066 g·cm−3
Liquid density at m.p. 8.86 g·cm−3
Melting point 1802 K, 1529 °C, 2784 °F
Boiling point 3141 K, 2868 °C, 5194 °F
Heat of fusion 19.90 kJ·mol−1
Heat of vaporization 280 kJ·mol−1
Molar heat capacity 28.12 J·mol−1·K−1
Vapor pressure
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 1504 1663 (1885) (2163) (2552) (3132)
Atomic properties
Oxidation states 3, 2, 1

(basic oxide)

Electronegativity 1.24 (Pauling scale)
Ionization energies 1st: 589.3 kJ·mol−1
2nd: 1150 kJ·mol−1
3rd: 2194 kJ·mol−1
Atomic radius 176 pm
Covalent radius 189±6 pm
Miscellanea
Crystal structure hexagonal
Erbium has a hexagonal crystal structure
Magnetic ordering paramagnetic at 300 K
Electrical resistivity (r.t.) (poly) 0.860 µΩ·m
Thermal conductivity 14.5 W·m−1·K−1
Thermal expansion (r.t.) (poly) 12.2 µm/(m·K)
Speed of sound (thin rod) (20 °C) 2830 m·s−1
Young's modulus 69.9 GPa
Shear modulus 28.3 GPa
Bulk modulus 44.4 GPa
Poisson ratio 0.237
Vickers hardness 589 MPa
Brinell hardness 814 MPa
CAS registry number 7440-52-0
Most stable isotopes
Main article: Isotopes of erbium
iso NA half-life DM DE (MeV) DP
160Er syn 28.58 h ε 0.330 160Ho
162Er 0.139% >1.4×1014 y α 1.6460 158Dy
β+β+ 1.8445 162Dy
164Er 1.601% 164Er is stable with 96 neutrons
165Er syn 10.36 h ε 0.376 165Ho
166Er 33.503% 166Er is stable with 98 neutrons
167Er 22.869% 167Er is stable with 99 neutrons
168Er 26.978% 168Er is stable with 100 neutrons
169Er syn 9.4 d β 0.351 169Tm
170Er 14.910% >3.2×1017 y α 0.0502 166Dy
ββ 0.6536 170Yb
171Er syn 7.516 h β 1.490 171Tm
172Er syn 49.3 h β 0.891 172Tm
· r

Ang erbyo (Iningles erbium) mao ang elementong kimiko sa talaang peryodiko nga may simbolo nga Er ug kaiphan nga atomik 68. Ang erbyo mao ang puthaw nga lantanido.

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