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Ni - Nickel

Nickel

 Nickel 
Ni
Atomic Number: 28
Atomic Weight: 58.6934
Element Type: Transition Metal
Crystal Structure: Cubic Face Centered
Melting Point: 1455.0°C = 2651.0°F = 1728.15 K
Boiling Point: 2913.0°C = 5275.4°F = 3186.15 K
Critical Temp: °C = °F = K
Atomic Radius: 1.62 Å (Å = Angstrom = 10-10 m)
Covalent Radius: 1.15 Å
Electronegativity: 1.91

History

(German Nickel, Satan or Old Nick's and from kupfernickel, Old Nick's copper) Cronstedtdiscovered nickel in 1751 in kupfernickel (niccolite).


Sources

Nickel is found as a constitutent in most meteorites and often serves as one of thecriteria for distinguishing a meteorite from other minerals. Iron meteorites, or siderites, may contain ironalloyed with from 5 percent to nearly 20 percent nickel. Nickel is obtained commerciallyfrom pentlandite and pyrrhotite of the Sudbury region of Ontario, a district that producesabout 30 percent of the world's supply of nicke.

Other deposits are found in New Caledonia, Australia, Cuba, Indonesia, and elsewhere.







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(1879-1955)





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