Nickel
Nickel (Ni)
Nickel (pronounced /ˈnɪkəl/) is a chemical element with the symbol Ni and atomic number 28. It is a silvery-white lustrous metal with a slight golden tinge.
Etymology
The term Nickel is derived from the German word "Kupfernickel" which means "Devil's copper". It was named so due to its appearance and the difficulty miners had in extracting it.
Properties
Nickel belongs to the transition metals and is hard and ductile. It is known for its high melting and boiling points which stand at 1455°C and 2913°C respectively.
Uses
Nickel is used in many industrial and consumer products, including stainless steel, magnets, coinage, rechargeable batteries, electric guitar strings, microphone capsules, and special alloys. It is also used for plating and as a green tint in glasses.
Health Effects
Exposure to nickel can result in a condition known as nickel allergy, which is a common cause of allergic contact dermatitis. Chronic exposure can lead to conditions such as lung cancer, heart disease, and kidney disease.
Related Terms
External links
- Medical encyclopedia article on Nickel
- Wikipedia's article - Nickel
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