28Ni58.6934 Da

Nickel

Malleable ductile silvery metallic transition element. Discovered by A.F. Cronstedt in 1751.

Gallery

Nickel Chunk

Materialscientist at English Wikipedia, CC BY-SA 3.0 <https://creativecommons.org/licenses/by-sa/3.0>, via Wikimedia Commons

Bohr model of Nickel

Physical Propertiesmass · density · phase · crystal

Atomic Mass

58.6934Da

Density

8.9000g/cm³

Phase (STP)

Solid

Melting Point

1728.2K

Boiling Point

3186.2K

Molar Heat

0.4440J/(mol·K)

Crystal Structure

FCC

Lattice Constant

3.520Å

Atomic Radiiatomic · covalent · van der Waals

Atomic (Empirical)

135.00pm

Covalent

110.00pm

Van der Waals

197.00pm

Electronic Propertieselectronegativity · ionization · affinity

Electron Configuration

[Ar] 3d8 4s2

Electron Shells

2, 8, 16, 2

Electronegativity

1.91Pauling

Electron Affinity

1.2kJ/mol

1st Ionization Energy

7.6kJ/mol

Oxidation States

-2, -1, 0, +1, +2, +3, +4

Orbital DiagramAufbau · Hund's rule · Pauli exclusion

1s2
2s2
2p6
3s2
3p6
3d8
4s2

Full: 1s2 2s2 2p6 3s2 3p6 3d8 4s2Short: [Ar] 3d8 4s2

Ionization Energies (28 known)

1st7.6 kJ/mol2nd18.2 kJ/mol3rd35.2 kJ/mol4th54.9 kJ/mol5th76.1 kJ/mol6th108.0 kJ/mol7th132.0 kJ/mol8th162.0 kJ/mol9th193.2 kJ/mol10th224.7 kJ/mol11th319.5 kJ/mol12th351.6 kJ/mol13th384.5 kJ/mol14th429.3 kJ/mol15th462.8 kJ/mol16th495.4 kJ/mol17th571.1 kJ/mol18th607.0 kJ/mol19th1540.1 kJ/mol20th1646.0 kJ/mol21th1758.0 kJ/mol22th1880.0 kJ/mol23th2008.1 kJ/mol24th2130.5 kJ/mol25th2295.6 kJ/mol26th2399.3 kJ/mol27th10288.9 kJ/mol28th10775.4 kJ/molSuccessive Ionization Energies

Emission Spectrumvisible range · characteristic spectral lines

382
386
471
508
Ni emission
380nm750nm
341.5 nm(100%)381.9 nm(70%)385.8 nm(60%)471.4 nm(30%)508.1 nm(20%)

Abundanceby mass

🌍Earth's Crust
84.0 ppm
🌊Ocean
560.0 ppt
Universe
49.0 ppm
🧬Human Body
100.0 ppb

Log scale · ppm = parts per million by mass

Biological Role

Essential (trace)

Essential for some plant enzymes (urease). May be required in trace amounts by animals.

Discovery

Discovered By

Axel Cronstedt

Named By

Year

1751

Nuclear Data

Known Isotopes

35

Stable Isotopes

5

Stable Mass Numbers

58, 60, 61, 62, 64

Natural isotopic abundance (IUPAC recommended values)

Isotopes of Ni35 known

NuclideZNMass (AMU)Half-lifeDecayAbundance
48Ni282048.0195152.80 ms2p (0.7%), β⁺ (0.3%), β⁺p0+
49Ni282149.0091577.50 msβ⁺ (1%), β⁺p (0.8340000000000001%)7/2-
50Ni282249.99628618.5 msβ⁺ (1%), β⁺p (0.73%), 2p (0.14%)0+
58Nistable283057.935342Stable2β⁺0+6807.6900%
60Nistable283259.930785Stablestable (1%)0+2622.3100%
61Nistable283360.931055Stablestable (1%)3/2-113.9900%
62Nistable283461.928345Stablestable (1%)0+363.4500%
64Nistable283663.927966Stablestable (1%)0+92.5600%
80Ni285279.97505130.0 msβ⁻ (1%), β⁻n, 2n0+
81Ni285380.982727Unknownβ⁻3/2+
82Ni285481.988492Unknownβ⁻0+
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