Final answer:
Nickel is the metal used in 5-cent pieces and other coins, electroplating, and nichrome wire.
Step-by-step explanation:
The metal used in 5-cent pieces and other coins, electroplating, and nichrome wire is nickel. Nickel is one of the magnetic elements and is known for its high conductivity, durability, and resistance to corrosion. It is commonly used in various applications, such as in coinage, electroplating processes, and the production of nichrome wire for heating applications.