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Nickel - Wikipedia
Nickel - Element information, properties and uses | Periodic Table
Nickel | Definition, Properties, Symbol, Uses, & Facts
Nickel Element Facts and Properties - ThoughtCo
nickel summary | Britannica
Uses of Nickel | Supply, Demand, Production, Resources
Nickel Metal: It's Properties, History, Production & Uses
Nickel: An introduction - Explain that Stuff
Facts About Nickel | Live Science
The Hidden History of the Nickel | HISTORY