Nickel is a chemical element with the symbol Ni and atomic number 28. It is a silvery-white lustrous metal with a slight golden tinge. Nickel belongs to the transition metals and is hard and ductile.
Nickel is widely used in various industrial and consumer products. Some of the common uses of nickel include:
Nickel can have both positive and negative effects on health and the environment. While it is an essential trace element for some organisms, exposure to high levels of nickel can be harmful to humans and other living organisms. Nickel compounds are also known to be carcinogenic and can have adverse effects on the environment if not properly managed.