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28 - Nickel transition metal

Discovered by Axel Fredrik Cronstedt in 1751

Nickel

Nickel is a chemical element with symbol Ni and atomic number 28. It is a silvery-white lustrous metal with a slight golden tinge. Nickel belongs to the transition metals and is hard and ductile.
Shell Electrons Orbitals
1 2 2 in 1s
2 8 2 in 2s + 6 in 2p
3 16 2 in 3s + 6 in 3p + 8 in 3d
4 2 2 in 4s
NickelNi Electron 1 Electron 2 Electron 1 Electron 2 Electron 3 Electron 4 Electron 5 Electron 6 Electron 7 Electron 8 Electron 1 Electron 2 Electron 3 Electron 4 Electron 5 Electron 6 Electron 7 Electron 8 Electron 9 Electron 10 Electron 11 Electron 12 Electron 13 Electron 14 Electron 15 Electron 16 Electron 1 Electron 2
58.69  u Atomic Mass
1.6  Å Atomic Radius
3186  K Boiling Point
1.24  Å Covalent Radius
8.91  g/cm³ Density
111.65 Electron Affinity
1.91 Electronegativity
7.64  eV First Ionization Energy
1726.15  K Melting Point
4 Number of Shells
28 Atomic Number
2, 8, 16, 2 Electron Shell Occupations