(From the
Swedish kopparnickel, "
niccolite") A hard, silver-white, malleable
metallic chemical element, used extensively in
alloys,
batteries, and for
plating because it is markedly resistant to
oxidation and
corrosion.
Symbol: Ni
Atomic number: 28
Atomic weight: 58.6934
Density (at room temperature and pressure): 8.90 g/cc
Melting point: 1,453°C
Boiling point: 2,913°C
Valence: +2, +3
Ground state electron configuration: [Ar]3d84s2