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Nickel
	28Ni
	cobalt ← nickel → copper
Panagway
	lustrous, metallic, and silver with a gold tinge;
Kinatibuk-ang mga kinaiya
Ngalan, simbolo, kaiphan	nickel, Ni, 28
Paglitok	/ˈnɪkəl/ [[Help:Pronunciation respelling key\|Plantilya:Smallcaps all-əl]]
Kategoriyang elemento	puthaw nga transisyon
Group, period, block	10, 4, d
Gibug-aton sa atomo	58.6934(4)(2)
Kontorno sa elektron	[Ar] 4s2 3d8 or [Ar] 4s1 3d9 (see text); 2, 8, 16, 2 or 2, 8, 17, 1 Electron shells of nickel (2, 8, 16, 2 or 2, 8, 17, 1)
History
Pagkadiskobre	Axel Fredrik Cronstedt (1751)
First isolation	Axel Fredrik Cronstedt (1751)
Physical properties
Phase	magahi
Density (near r.t.)	8.908 g·cm−3
Liquid density at m.p.	7.81 g·cm−3
Melting point	1728 K, 1455 °C, 2651 °F
Boiling point	3186 K, 2913 °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
Atomic properties
Oxidation states	4, 3, 2, 1, -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
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
Most stable isotopes
	Main article: Isotopes of nickel
	v; t; e; · r

Ang nikil o nikel (Iningles nickel) mao ang elementong kimiko sa talaang peryodiko nga may simbolo nga Ni ug kaiphan nga atomik 28. Ang nikil mao ang puthaw nga transisyon.

Ang mga gi basihan niini

↑ M. Carnes; et al. (2009). "A Stable Tetraalkyl Complex of Nickel(IV)". Angewandte Chemie International Edition. 48: 3384. doi:10.1002/anie.200804435. {{cite journal}}: Explicit use of et al. in: |author= (help)
↑ 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. {{cite journal}}: Explicit use of et al. in: |author= (help)

Galeriya sa hulagway

[1] M. Carnes; et al. (2009). "A Stable Tetraalkyl Complex of Nickel(IV)". Angewandte Chemie International Edition. 48: 3384. doi:10.1002/anie.200804435. {{cite journal}}: Explicit use of et al. in: |author= (help)

[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. {{cite journal}}: Explicit use of et al. in: |author= (help)

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Nikil

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