Nickel
From Citizendium, the Citizens' Compendium
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Nickel is a chemical element, having the chemical symbol Ni. Its atomic number (the number of protons) is 28. It has a Standard Atomic Weight of 58.69, and is typically found as a solid in its elemental form.
Nickel is considered to be a member of the "Transition Metal" family of elements, and has a boiling point of 2913°C.

