Nickel (II) ion

Nickel steel is used for armour plating. Other alloys of nickel are used in boat propeller shafts and turbine blades. 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.

Nickel (Ni), chemical element, ferromagnetic metal of Group 10 (VIIIb) of the periodic table, markedly resistant to oxidation and corrosion.

Nickel is silver white in color when the metal is in its natural form. Nickel is a silver white crystalline metal and is the 22nd most abundant element on Earth. …

Nickel oxides, hydroxides, sulfides, arsenide, chromate, carbonate, phosphate and selenide are water-insoluble nickel compounds. More properties for selected nickel compounds follow. Nickel oxide is soluble in acids, potassium cyanide, and ammonium hydroxide.

In its metallic form nickel is chemically unreactive. It is insoluble in cold and hot water and ammonia and is unaffected by concentrated nitric acid and alkalis. It is however soluble in dilute nitric acid and sparingly soluble in dilute hydrochloric and sulfuric acids.

Nickel is a hard silver white metal, which forms cubic crystals. It is malleable, ductile, and has superior strength and corrosion resistance. The metal is a fair conductor of heat and electricity and exhibits magnetic properties below 345°C.

Properties Of Nickel

• Nickel is silvery-white, hard, malleable, and ductile metal.
• It is a good conductor of heat and electricity.
• It is bivalent, that is it has a valency of two.
• The metal dissolves slowly in dilute acids.
• It’s melting point is 1453 °C and boiling point is 2913 °C.

In small quantities nickel is essential, but when the uptake is too high it can be a danger to human health. Nickel fumes are respiratory irritants and may cause pneumonitis. Exposure to nickel and its compounds may result in the development of a dermatitis known as “nickel itch” in sensitized individuals.

What other names is Nickel known by? Atomic number 28, Chlorure de Nickel, Ni, Nickel Chloride, Nickel Sulfate, Nickelous Sulfate, Níquel, Numéro Atomique 28, Oligo-Élément, Sulfate de Nickel, Sulfate Nickeleux, Trace Element.

An allergic reaction (contact dermatitis) usually begins within hours to days after exposure to nickel. The reaction may last as long as two to four weeks. The reaction tends to occur only where your skin came into contact with nickel, but sometimes may appear in other places on your body.

Nickel is a slang term for “five” of anything, especially a small bag of drugs costing five dollars or five-year prison sentence.

There are no categorical antonyms for this word. However, one could loosely use dissimilar chemical elements as antonyms, e.g., carbon, fluorine, etc.

What is another word for no?

nickel

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