Nickel is a metallic chemical element having the symbol Ni and the atomic number 28. It is found in group 10 of the transition metals on the periodic table of elements. It is the fifth most abundant element in the earth's crust. Nickel is a silvery-white metal that has a cubic crystal structure. It is soft and ductile at room temperature, and very ductile when hot. It can be punched, stretched and molded to specific shapes.

Nickel has a hardness of 5 to 6 on the Mohs scale and a melting point of 1453°C. It is a magnetic metal. Nickel combines easily with other elements, forming alloys, especially stainless steel and aluminum alloys, as well as alloys containing cobalt and chromium.

Nickel is used in many industrial applications, including mechanics, electronics and metallurgy. It is often used to galvanize metals and prevent corrosion. It is also widely used in the automotive, aeronautical and steel industries, and is used in automobile parts, gas turbines and aero engines. Nickel is also used in products such as kitchen tools and ovens, and in the jewelry industry.

1453°
2732°

58.6934

-1
1
2
3
4

[Ar] 3d8 4s2

2
8
16
2

1.91

7.6398

Synthetic

Radioactive

Liquid

Gaseous

Electronic configuration diagram

Characteristics

Name	Nickel
Number	28
Atomic	58.6934
Symbol	Ni
Fusion	1453
Boiling	2732
Density	8.912
Period	4
Group	10

Discovery	1751 Cronstedt
Abundance	84
Radius	1.6
Electronegativity	1.91
Ionization	7.6398
Number of isotopes	11
Electronic configuration	[Ar] 3d8 4s2
Oxidation states	-1,1,2,3,4
Electron by energy level	2,8,16,2

Minerals containing this element : 209

Mineral	Hardness	Density
Abelsonite	2.00 / 2.50	1.45
Aerugite	4.00 / 4.00	5.85
Ahlfeldite	2.00 / 2.50	3.37
Akaganeite		3.00
Allabogdanite	5.00 / 6.00	7.11
Alvanite	3.00 / 3.50	2.41
Andreyivanovite
Ankinovichite	2.50 / 3.00	2.48
Annabergite	2.00 / 2.00	3.00
Antitaenite
Aplowite	3.00 / 3.00	2.33
Argentopentlandite	3.50 / 3.50	4.00
Arhbarite
Arsenohauchecornite	5.50 / 5.50	6.35
Arupite	1.50 / 2.00	2.00
Asbolane	6.00 / 6.00
Awaruite	5.00 / 5.00	8.00
Barringerite	7.00 / 7.00	6.92
Bismutohauchecornite	5.50 / 5.50	6.00
Bonaccordite	7.00 / 7.00	5.17
Bottinoite	3.50 / 3.50	2.83
Bouazzerite		2.81
Braggite	1.50 / 1.50	10.00
Breithauptite	3.50 / 4.00	8.23
Brindleyite	2.50 / 3.00	3.17
Bunsenite	5.50 / 5.50	6.40
Burgessite	3.00 / 3.00	2.93
Butianite
Campo del cielo	4.00 / 5.00	7.80
Carrboydite		2.50
Carrollite	4.50 / 5.50	4.50
Cassidyite	3.50 / 3.50	3.10
Chukanovite	3.50 / 4.00	3.60
Clinosafflorite	4.50 / 5.00	7.46
Cobaltlotharmeyerite	4.50 / 4.50
Cobaltneustädtelite	4.50 / 4.50	5.81
Cobalttsumcorite	4.50 / 4.50	5.31
Cochromite	7.00 / 7.00	5.22
Cohenite	5.50 / 6.00	7.20
Comblainite	2.00 / 2.00	3.05
Cooperite	4.00 / 5.00	9.50
Decagonite
Dienerite	3.00 / 3.50
Dissakisite-(La)	6.50 / 7.00	3.79
Djerfisherite	3.50 / 3.50	3.00
Donharrisite	2.00 / 2.00	5.00
Droninoite	1.00 / 1.50	2.86
Dwornikite	2.00 / 3.00	3.34
Dymkovite
Ernienickelite	2.00 / 2.00	3.84
Falcondoite	2.00 / 3.00	2.54
Ferhodsite
Ferrohögbomite-2N2S	6.00 / 7.00
Ferronickelplatinum	5.00 / 5.00	15.39
Ferroskutterudite	6.00 / 6.50
Fletcherite	5.00 / 5.00	4.00
Florenskyite
Garnièrite	2.50 / 4.00	2.60
Garutiite		11.33
Gaspéite	4.00 / 5.00	3.71
Gersdorffite-P213
Gersdorffite-Pa3	5.50 / 5.50	5.98
Gersdorffite-Pca21		6.19
Gillardite	3.00 / 3.00
Glaukosphaerite	3.00 / 4.00	3.78
Godlevskite	4.00 / 5.00	5.27
Goldquarryite	3.00 / 4.00	2.78
Guarinoite	1.50 / 2.00	2.80
Haapalaite	1.00 / 1.00	3.58
Halamishite
Hapkeite
Hauchecornite	5.00 / 5.00	6.36
Haxonite	5.50 / 6.00	7.70
Heazlewoodite	4.00 / 4.00	5.82
Hellyerite	2.50 / 2.50	1.97
Hexamolybdenum		11.90
Hexatestibiopanickelite	2.00 / 2.00	8.94
Hloušekite	2.00 / 3.00	3.30
Honessite	1.00 / 1.50
Honzaite
Horomanite		6.44
Hydrohonessite		2.64
Hydrombobomkulite
Jamborite		2.67
Jolliffeite	6.00 / 6.50	7.10
Kambaldaite	3.00 / 3.00	3.18
Karpinskite	2.50 / 3.00	2.53
Keystoneite		4.40
Kharaelakhite		7.78
Kitkaite	3.50 / 3.50	7.19
Kolovratite	2.00 / 3.00
Krutovite	5.50 / 5.50	7.00
Kullerudite	5.50 / 6.50	6.72
Kurumsakite		4.03
Langisite	6.00 / 6.50	8.17
Lapieite	4.50 / 5.00	4.97
Lawrencite		3.16
Liebenbergite	6.00 / 6.00	4.60
Mackinawite	2.50 / 2.50	4.00