Nickel, 28Ni
A pitted and lumpy piece of nickel, with the top surface cut flat
Nickel
Ìhànsójúlustrous, metallic, and silvery with a gold tinge
Ìwúwo átọ̀mù Ar, std(Ni)58.6934(4)[1]
Nickel 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
-

Ni

Pd
cobaltnickelcopper
Nọ́mbà átọ̀mù (Z)28
Ẹgbẹ́group 10
Àyèàyè 4
Àdìpọ̀Àdìpọ̀-d
Ẹ̀ka ẹ́límẹ́ntì  Transition metal
Ìtò ẹ̀lẹ́ktrọ́nù[Ar] 3d8 4s2 or [Ar] 3d9 4s1
Iye ẹ̀lẹ́ktrọ́nù lórí ìpele kọ̀ọ̀kan2, 8, 17, 1
Àwọn ohun ìní ara
Ìfarahàn at STPsolid
Ìgbà ìyọ́1728 K ​(1453 °C, ​2651 °F)
Ígbà ìhó3186 K ​(2732 °C, ​5275 °F)
Kíki (near r.t.)8.908 g/cm3
when liquid (at m.p.)7.81 g/cm3
Heat of fusion17.48 kJ/mol
Heat of 377.5 kJ/mol
Molar heat capacity26.07 J/(mol·K)
 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−2, −1, 0, +1,[2] +2, +3, +4[3] Àdàkọ:Infobox element/symbol-to-oxidation-state/comment
ElectronegativityPauling scale: 1.91
energies
Atomic radiusempirical: 124 pm
Covalent radius124±4 pm
Van der Waals radius163 pm
Color lines in a spectral range
Color lines in a spectral range
Spectral lines of nickel
Other properties
Natural occurrenceprimordial
Crystal structure ​(fcc)
Face-centered cubic crystal structure for nickel
Speed of sound thin rod4900 m/s (at r.t.)
Thermal expansion13.4 µm/(m·K) (at 25 °C)
Thermal conductivity90.9 W/(m·K)
Electrical resistivity69.3 n Ω·m (at 20 °C)
Magnetic orderingferromagnetic
Young's modulus200 GPa
Shear modulus76 GPa
Bulk modulus180 GPa
Poisson ratio0.31
Mohs hardness4.0
Vickers hardness638 MPa
Brinell hardness700 MPa
CAS Number7440-02-0
Main isotopes of nickel
Iso­tope Abun­dance Half-life (t1/2) Decay mode Pro­duct
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
Àdàkọ:Category-inline
| references
  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. Pfirrmann, Stefan; Limberg, Christian; Herwig, Christian; Stößer, Reinhard; Ziemer, Burkhard (2009). "A Dinuclear Nickel(I) Dinitrogen Complex and its Reduction in Single-Electron Steps". Angewandte Chemie International Edition 48 (18): 3357–61. doi:10.1002/anie.200805862. PMID 19322853. 
  3. Carnes, Matthew; Buccella, Daniela; Chen, Judy Y.-C.; Ramirez, Arthur P.; Turro, Nicholas J.; Nuckolls, Colin; Steigerwald, Michael (2009). "A Stable Tetraalkyl Complex of Nickel(IV)". Angewandte Chemie International Edition 48 (2): 290–4. doi:10.1002/anie.200804435. PMID 19021174. 
  4. M. Carnes et al. (2009). "A Stable Tetraalkyl Complex of Nickel(IV)". Angewandte Chemie International Edition 48: 3384. doi:10.1002/anie.200804435. 
  5. 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.