Nickel
Nickel is a chemical element with the 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.
Symbol: Ni
Atomic mass: 58,6934 u
Electron configuration: [Ar] 3d⁸4s²
Atomic number: 28
Melting point: 1 455 °C
Van der Waals radius: 163 pm
Period: period 4
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