Which metal is known for its thermal and electrical conductivity as well as corrosion resistance?

Copper is recognized for its exceptional thermal and electrical conductivity, which is why it is widely used in electrical wiring and heat exchangers. It has a high level of conductivity due to its atomic structure, which allows for the easy flow of electrons. This makes copper a preferred choice in applications requiring efficient energy transfer.

In addition to its conductive properties, copper naturally forms a protective oxide layer when exposed to the atmosphere, which provides a degree of corrosion resistance. This makes it suitable for use in a variety of environments without the rapid degradation that some other metals may experience.

While aluminum also exhibits good thermal and electrical conductivity and has corrosion resistance, it does not match the conductive properties of copper. Steel is known for its strength but lacks significant conductivity and corrosion resistance unless treated, while brass, an alloy of copper and zinc, has decent conductivity but is primarily appreciated for its machinability and aesthetic qualities rather than leading in conductivity or corrosion resistance.

Thus, copper stands out as the metal that effectively combines high thermal and electrical conductivity with corrosion resistance.