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Nickel sulfide
- Typical compounds of nickel in nature, in which it occurs primarily as minerals in combination with arsenic, antimony, and sulfur, are nickel sulfide, NiS; nickel arsenide, NiAs; nickel antimonide, NiSb; nickel diarsenide, NiAs 2; nickel thioarsenide, NiAsS; and nickel thioantimonide, NiSbS.
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Sep 13, 2024 · Typical compounds of nickel in nature, in which it occurs primarily as minerals in combination with arsenic, antimony, and sulfur, are nickel sulfide, NiS; nickel arsenide, NiAs; nickel antimonide, NiSb; nickel diarsenide, NiAs 2; nickel thioarsenide, NiAsS; and nickel thioantimonide, NiSbS.
- The Editors of Encyclopaedia Britannica
Nickel is widely used in coins, though nickel-plated objects sometimes provoke nickel allergy. As a compound, nickel has a number of niche chemical manufacturing uses, such as a catalyst for hydrogenation, cathodes for rechargeable batteries, pigments and metal surface treatments. [14]
Nickel is used in batteries, including rechargeable nickel-cadmium batteries and nickel-metal hydride batteries used in hybrid vehicles. Nickel has a long history of being used in coins. The US five-cent piece (known as a ‘nickel’) is 25% nickel and 75% copper.
Nickel compounds are chemical compounds containing the element nickel which is a member of the group 10 of the periodic table. Most compounds in the group have an oxidation state of +2. Nickel is classified as a transition metal with nickel(II) having much chemical behaviour in common with iron(II) and cobalt(II).
Jun 1, 2023 · Important compounds of nickel include nickel nitrates, chlorides, and sulfates, all of which are used in electroplating. Nickel oxides are used in batteries and fuel cells. Nickel ferrites (nickel-iron compounds) are widely used to make electromagnetic parts for such things as transformers.
Jun 27, 2024 · Nickel does not occur freely in nature but is primarily found in combination with sulfur, iron, and other metals in various ores from which it is extracted.
Nickel is often seen in complex compounds, especially as a square-planar or octahedral complexes. For example, tetracarbonylnickel ( [Ni (CO)₄]) is a notable square-planar complex of nickel. These complexes have applications in various catalytic processes and materials science.
