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Ídolo de oro, espadas de bronce, arado y máquina de vapor de hierro, puente de acero y batería de litio. Se denominan metales a los elementos químicos caracterizados por ser buenos conductores del calor y la electricidad. Poseen alta densidad y son sólidos a temperatura ambiente (excepto el mercurio, el galio, el cesio y el francio ya que ...
Background Etymology. The word métis itself is originally French for "person of mixed parentage" and derives from the Latin word mixtus, "mixed.". Semantic definitions. Starting in the 17th century, the French word métis was initially used as a noun by those in the North American fur trade, and by settlers in general, to refer to people of mixed European and North American Indigenous ...
v. t. e. A metal (from Ancient Greek μέταλλον (métallon) 'mine, quarry, metal') is a material that, when freshly prepared, polished, or fractured, shows a lustrous appearance, and conducts electricity and heat relatively well. Metals are typically ductile (can be drawn into wires) and malleable (they can be hammered into thin sheets).
El artículo principal de esta categoría es: Metal. Wikimedia Commons alberga una categoría multimedia sobre Metales. Wikcionario tiene definiciones y otra información sobre metal. Categorías: Materiales por composición. Metalurgia. Grupos de elementos químicos.
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Qualquer metal pode ser definido também como um elemento químico que forma aglomerados de átomos com caráter metálico . Em um metal, cada átomo exerce apenas uma fraca atração nos eléctrons mais externos, da camada de valência, que podem então fluir livremente, [ 1] proporcionando a formação de íons positivos e o estabelecimento ...
The best known precious metals are the coinage metals, which are gold and silver. Although both have industrial uses, they are better known for their uses in art, jewelry, and coinage. Other precious metals include the platinum group metals: ruthenium, rhodium, palladium, osmium, iridium, and platinum, of which platinum is the most widely ...
