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Nickel - Wikipedia
Nickel | Definition, Properties, Symbol, Uses, & Facts
Nickel (United States coin) - Wikipedia
Facts About Nickel | Live Science
Nickel - Element information, properties and uses | Periodic Table
nickel summary | Britannica
Uses of Nickel | Supply, Demand, Production, Resources
Nickel Values Guide - U.S. Nickel Prices - The Spruce Crafts
Nickel Metal: It's Properties, History, Production & Uses
Nickel: An introduction - Explain that Stuff