Nickel

Nickel, ₂₈Ni
Nickel
Ìhànsójú	lustrous, metallic, and silvery with a gold tinge
Ìwúwo átọ̀mù Ar, std(Ni)	58.6934(4)
Nickel ní orí tábìlì àyè
	cobalt ← nickel → copper
Nọ́mbà átọ̀mù (Z)	28
Ẹgbẹ́	group 10
Àyè	àyè 4
Àdìpọ̀	Àdìpọ̀-d
Ẹ̀ka ẹ́límẹ́ntì	Transition metal
Ìtò ẹ̀lẹ́ktrọ́nù	[Ar] 3d8 4s2 or [Ar] 3d9 4s1
Iye ẹ̀lẹ́ktrọ́nù lórí ìpele kọ̀ọ̀kan	2, 8, 17, 1
Àwọn ohun ìní ara
Ìfarahàn at STP	solid
Ìgbà ìyọ́	1728 K (1453 °C, 2651 °F)
Ígbà ìhó	3186 K (2732 °C, 5275 °F)
Kíki (near r.t.)	8.908 g/cm3
when liquid (at m.p.)	7.81 g/cm3
Heat of fusion	17.48 kJ/mol
Heat of	377.5 kJ/mol
Molar heat capacity	26.07 J/(mol·K)
Atomic properties
Oxidation states	−2, −1, 0, +1, +2, +3, +4 Àdàkọ:Infobox element/symbol-to-oxidation-state/comment
Electronegativity	Pauling scale: 1.91
energies	(more);
Atomic radius	empirical: 124 pm
Covalent radius	124±4 pm
Van der Waals radius	163 pm
	Color lines in a spectral rangeSpectral lines of nickel
Other properties
Natural occurrence	primordial
Crystal structure	(fcc)
Speed of sound thin rod	4900 m/s (at r.t.)
Thermal expansion	13.4 µm/(m·K) (at 25 °C)
Thermal conductivity	90.9 W/(m·K)
Electrical resistivity	69.3 n Ω·m (at 20 °C)
Magnetic ordering	ferromagnetic
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 Number	7440-02-0
Main isotopes of nickel
	Àdàkọ:Category-inline; wo; ọ̀rọ̀; àtúnṣe; \| references

Àyọkà yìí tàbí apá rẹ̀ únfẹ́ àtúnṣe sí.

Ẹ le fẹ̀ jù báyìí lọ tàbí kí ẹ ṣàtúnṣe rẹ̀ lọ́nà tí yíò mu kúnrẹ́rẹ́. Ẹ ran Wikipedia lọ́wọ́ láti fẹ̀ẹ́ jù báyìí lọ.

Itokasi

↑ 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.
↑ 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.
↑ 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.
↑ M. Carnes et al. (2009). "A Stable Tetraalkyl Complex of Nickel(IV)". Angewandte Chemie International Edition 48: 3384. doi:10.1002/anie.200804435.
↑ 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.