Platinum

platinum Antonio de Ulloa discovered platinum in South the States in 1735 and by Wood in 1741. Platinum is a silver-white alloy that holds even more value then gold. Its atomic physique is 78 and its mass is 195.08. It is also one of the heaviest metals. It is a revolution metal and its electron configuration is [Xe ]6s14f145d9. This element has actually unique(p) properties, which make it valuable. First of all, it is very easily shaped. It sight be shaped and working into almost every contingent way, from fine wire too large sheets. Platinum is a secure who?s melting even out is 2045k and its boiling pull down is 4100k. The metal was used by pre-Columbian Indians. Platinum occurs native, come with by small quantities of iridium, osmium, palladium, ruthenium, and rhodium. These all belong to the same radical of metals. The metal does not oxidize in air at any temperature. However, halogens, cyanides, sulfur, and caustic al kalis corrode it. Platinum resistance wires ar used for...If you want to get a full essay, commemorate it on our website: OrderCustomPaper.com

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