ഫലകം:Infobox nickel

വിക്കിപീഡിയ, ഒരു സ്വതന്ത്ര വിജ്ഞാനകോശം.
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നിക്കൽ,  28Ni
A pitted and lumpy piece of nickel, with the top surface cut flat
General properties
Appearancelustrous, metallic and
silvery with a gold tinge
Standard atomic weight (Ar, standard)58.6934(4)[1]
നിക്കൽ in the periodic table
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
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Ni

Pd
കൊബാൾട്ട്നിക്കൽചെമ്പ്
Atomic number (Z)28
Groupgroup 10
Periodperiod 4
Blockd-block
Electron configuration[Ar] 3d8 4s2
Electrons per shell
2, 8, 16, 2
Physical properties
Phase at STPഖരം
Melting point1728 K ​(1455 °C, ​2651 °F)
Boiling point3186 K ​(2913 °C, ​5275 °F)
Density (near r.t.)8.908 g/cm3
when liquid (at m.p.)7.81 g/cm3
Heat of fusion17.48 kJ/mol
Heat of vaporization377.5 kJ/mol
Molar heat capacity26.07 J/(mol·K)
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−2, −1, +1,[2] +2, +3, +4,[3] (a mildly basic oxide)
ElectronegativityPauling scale: 1.91
Ionization energies
Atomic radiusempirical: 135 pm
calculated: 149 pm
Covalent radius121 pm
Van der Waals radius163 pm
Color lines in a spectral range
Spectral lines of നിക്കൽ
Other properties
Crystal structureface-centered cubic (fcc)
Face centered cubic crystal structure for നിക്കൽ
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 നിക്കൽ
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 syn 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
| references
  1. Meija, J.; മറ്റുള്ളവർക്കൊപ്പം. (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. 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): 3384. doi:10.1002/anie.200804435. PMID 19021174.
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