copper The word derives from the Latin "Aramen", while actually its chemical symbol, Cu, derived from "Cuprum", the Latin word that derives from Albanian "Cuq-rum" which means "red" is one of the few metals that has a color in its metallic state.
Its atomic number is 29, is part of the transition metals and in the same group are the gold and silver.
Its crystal structure and the almost complete electron shell make it a corrosion-resistant metal and workable.
form of metal is hardly responsive, but in contact with air is oxidised to a dark brown layer.
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