Nickel

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Nickel is a chemical element with the element symbol Ni and the atomic number 28. It belongs to the transition metals, in the periodic table it is in the 8th subgroup or iron-platinum group according to the older counting method, and in the group 10 or nickel group according to the newer counting method.

Nickel is used as a coating metal for corrosion protection ("nickel plating") of metal objects: Because of its protective properties against oxidation, metals (in particular iron) are coated with a nickel layer by means of galvanic technology for certain technical purposes. Nickel is an important alloying metal which is mainly used for steel finishing. It makes steel resistant to corrosion and increases its hardness, toughness and ductility.

This text is based on the article https://de.wikipedia.org/wiki/Nickel from the free encyclopaedia Wikipedia and is licensed under the Creative Commons CC-BY-SA 3.0 Unported (Kurzfassung).
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