ഫലകം:Infobox nickel
A pitted and lumpy piece of nickel, with the top surface cut flat | |||||||||||||||
നിക്കൽ | |||||||||||||||
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Appearance | lustrous, metallic and silvery with a gold tinge | ||||||||||||||
നിക്കൽ ആവർത്തനപ്പട്ടികയിൽ | |||||||||||||||
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ഗ്രൂപ്പ് | group 10 | ||||||||||||||
പിരീഡ് | period 4 | ||||||||||||||
ബ്ലോക്ക് | d-block | ||||||||||||||
ഇലക്ട്രോൺ വിന്യാസം | [Ar] 3d8 4s2 or [Ar] 3d9 4s1 | ||||||||||||||
Electrons per shell | 2, 8, 16, 2 | ||||||||||||||
Physical properties | |||||||||||||||
Phase at STP | ഖരം | ||||||||||||||
ദ്രവണാങ്കം | 1728 K (1455 °C, 2651 °F) | ||||||||||||||
ക്വഥനാങ്കം | 3186 K (2913 °C, 5275 °F) | ||||||||||||||
Density (near r.t.) | 8.908 g/cm3 | ||||||||||||||
when liquid (at m.p.) | 7.81 g/cm3 | ||||||||||||||
ദ്രവീകരണ ലീനതാപം | 17.48 kJ/mol | ||||||||||||||
Heat of vaporization | 377.5 kJ/mol | ||||||||||||||
Molar heat capacity | 26.07 J/(mol·K) | ||||||||||||||
Vapor pressure
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Atomic properties | |||||||||||||||
Oxidation states | −2, −1, +1,[1] +2, +3, +4,[2] (a mildly basic oxide) | ||||||||||||||
Electronegativity | Pauling scale: 1.91 | ||||||||||||||
അയോണീകരണ ഊർജം |
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ആറ്റോമിക ആരം | empirical: 135 pm calculated: 149 pm | ||||||||||||||
കൊവാലന്റ് റേഡിയസ് | 121 pm | ||||||||||||||
Van der Waals radius | 163 pm | ||||||||||||||
Spectral lines of നിക്കൽ | |||||||||||||||
Other properties | |||||||||||||||
Natural occurrence | primordial | ||||||||||||||
ക്രിസ്റ്റൽ ഘടന | face-centered cubic (fcc) | ||||||||||||||
Speed of sound thin rod | 4900 m/s (at r.t.) | ||||||||||||||
Thermal expansion | 13.4 µm/(m⋅K) (at 25 °C) | ||||||||||||||
താപചാലകത | 90.9 W/(m⋅K) | ||||||||||||||
Electrical resistivity | 69.3 n Ω⋅m (at 20 °C) | ||||||||||||||
കാന്തികത | ferromagnetic | ||||||||||||||
Young's modulus | 200 GPa | ||||||||||||||
Shear modulus | 76 GPa | ||||||||||||||
ബൾക്ക് മോഡുലസ് | 180 GPa | ||||||||||||||
Poisson ratio | 0.31 | ||||||||||||||
Mohs hardness | 4.0 | ||||||||||||||
Vickers hardness | 638 MPa | ||||||||||||||
Brinell hardness | 700 MPa | ||||||||||||||
സി.എ.എസ് നമ്പർ | 7440-02-0 | ||||||||||||||
Isotopes of നിക്കൽ | |||||||||||||||
Template:infobox നിക്കൽ isotopes does not exist | |||||||||||||||
- ↑ 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.
- ↑ 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.