Nickel match the following
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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. Wikipedia
Symbol: Ni
Electron configuration: [Ar] 3d⁸4s²
Atomic number: 28
Atomic mass: 58.6934 u
Melting point: 1,455 °C
Van der Waals radius: 163 pm
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