Nickel

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Nickel
28Ni
-

Ni

Pd
cobaltnickelcopper
Ìhànsójú
lustrous, metallic, and silvery with a gold tinge
Àwọn ìdámọ́ wíwọ́pọ̀
Orúkọ, àmì-ìdámọ́, nọ́mbà nickel, Ni, 28
Ẹ̀ka ẹ́límẹ̀nti transition metal
Ẹgbẹ́, àsìkò, àdìpò 104, d
Ìwúwo átọ́mù 58.6934(2)
Ìtòléra ẹ̀lẹ́ktrónì [Ar] 4s1 3d9
2, 8, 17, 1
Physical properties
Phase solid
Density (near r.t.) 8.908 g·cm−3
Liquid density at m.p. 7.81 g·cm−3
Melting point 1728 K, 1453 °C, 2651 °F
Boiling point 3186 K, 2732 °C, 5275 °F
Heat of fusion 17.48 kJ·mol−1
Heat of vaporization 377.5 kJ·mol−1
Molar heat capacity 26.07 J·mol−1·K−1
Vapor pressure
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 1783 1950 2154 2410 2741 3184
Atomic properties
Oxidation states 4[1], 3, 2, 1 [2], -1
(mildly basic oxide)
Electronegativity 1.91 (Pauling scale)
Ionization energies
(more)
1st: 737.1 kJ·mol−1
2nd: 1753.0 kJ·mol−1
3rd: 3395 kJ·mol−1
Atomic radius 124 pm
Covalent radius 124±4 pm
Van der Waals radius 163 pm
Miscellanea
Crystal structure face-centered cubic
Nickel has a face-centered cubic crystal structure
Magnetic ordering ferromagnetic
Electrical resistivity (20 °C) 69.3 nΩ·m
Thermal conductivity 90.9 W·m−1·K−1
Thermal expansion (25 °C) 13.4 µm·m−1·K−1
Speed of sound (thin rod) (r.t.) 4900 m·s−1
Young's modulus 200 GPa
Shear modulus 76 GPa
Bulk modulus 180 GPa
Poisson ratio 0.31
Mohs hardness 4.0
Vickers hardness 638 MPa
Brinell hardness 700 MPa
CAS registry number 7440-02-0
Àwọn ísótòpù dídúró jùlọ
Main article: Àwọn ísótòpù nickel
iso NA half-life DM DE (MeV) DP
56Ni syn 6.075 d ε - 56Co
γ 0.158, 0.811 -
58Ni 68.077% 58Ni is stable with 30 neutrons
59Ni trace 76000 y ε - 59Co
60Ni 26.233% 60Ni is stable with 32 neutrons
61Ni 1.14% 61Ni is stable with 33 neutrons
62Ni 3.634% 62Ni is stable with 34 neutrons
63Ni syn 100.1 y β 0.0669 63Cu
64Ni 0.926% 64Ni is stable with 36 neutrons
· r

Itokasi[àtúnṣe | àtúnṣe àmìọ̀rọ̀]

  1. M. Carnes et al. (2009). "A Stable Tetraalkyl Complex of Nickel(IV)". Angewandte Chemie International Edition 48: 3384. doi:10.1002/anie.200804435. 
  2. S. Pfirrmann et al. (2009). "A Dinuclear Nickel(I) Dinitrogen Complex and its Reduction in Single-Electron Steps". Angewandte Chemie International Edition 48: 3357. doi:10.1002/anie.200805862.