Nickel is an element, number 28 on the Periodic Table.
Nickel is neither a compound nor a mixture, but a chemical element.
"element"
Anything appearing on the periodic table is a pure element, not a compound or a mixture. Copper (atomic symbol is Cu), is located in the right side, middle region of the Periodic Table and is an element, a metal element.
Actually it isn't either, nickel is an element. Look on the periodic table and you will see this, its symbol is Ni.
A quarter is a coin made of various elements, including copper and nickel. It is not an element itself, but a mixture of different elements.
Nickel is a chemical element, and as such, it is a pure substance.
Nickel is an element!
A nickel is an element!
Nickel is an element.
Nickel is an element.
A quarter is actually made up of two elements, nickel and copper. This is not a compound, it is a mixture (mixtures of metals are called alloys).
A dime is composed of a metal mixture called an alloy, which is a homogeneous mixture. The metal alloy that makes up a dime is a mixture of copper and nickel.