For many thousands of years, men have used nickel in a lot of their needs. Back then, they were not alert to the chemical characteristics of the component and that they could use nickel alloys in many different applications too.
What is nickel?
Nickel is a versatile metal, a chemical element, with an atomic number of 28 and chemical symbol Ni. It is lustrous and sometimes silvery-white in look. It's a ferromagnetic element which can exist in room temperature. There're only three other elements which have the identical characteristic: gadolinium, iron and cobalt.
How was nickel discovered?
It is supposed that man has used nickel since 3500 BC. However, it was only in 1751 that it was categorized and recognized as a chemical element by Swedish chemist and mineralogist Axel Fredrik Cronstedt who, at first, thought it was a copper mineral. From then, essential nickel ore minerals are discovered, like limonite, pentlandite and garnierite.
What are the properties of nickel?
The characteristics of nickel are divided into atomic, physical, isotopes, and chemical. Its atomic properties include its electronic configuration, electron structure, and any other electron-related stuff.
Its physical properties include its color (which is silvery-white), magnetic abilities (like what was stated before, it is among the 4 elements that have magnetic abilities at room temperature, but is non-magnetic when open in temperature greater than that), & unit cell structure (nickel has a face centered cubic unit cell). It is also ductile and hard.
Nickel has five stable isotopes, all of them has an unique listing of properties and characteristics. And when we speak of nickel's chemical properties, it occurs in many oxidation states. The most common of them all is +2.
Where is nickel used?
A lot of industries nowadays make use of nickel in their operations. Many of the products which use nickel are rechargeable batteries, stainless steel, coinage, electrical guitar strings, magnets, nickel alloys and other kinds of alloys, including bronze, copper, lead, silver, gold, cobalt, aluminum & chromium. It is also used to make nickel cast irons and nickel steels.
Nickel alloys are commonly used in power plants, gas and oil plants, and other processing factories. They're excellent at corrosion resistance and heat regulation. They're also utilized in nuclear reactors and solar engineering. In our home, nickel alloys are found in our electrical heaters, cookers and any other appliance.
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