- A reddish metallic element whose atomic number is 29. It is lustrous, malleable, diamagnetic, ductile, and an excellent conductor of heat. Among the elements, only silver surpasses it as a conductor of electricity. It has a very high melting point, is not too chemically reactive, and has about 25 known isotopes, of which 2 are stable. Its applications in electronics are many, and include its use in electric wiring, electroplating, and in many useful alloys such as brass. Its chemical symbol is Cu.
- chemical symbol Cu
Not what you were looking for?