Platinum is a actinic aspect with the actinic attribute Pt and an diminutive amount of 78.Its name is acquired from the Spanish appellation platina, which is actually translated into "little silver". It is a dense, malleable, ductile, precious, gray-white alteration metal.Platinum has six by itself occurring isotopes. It is one of the rarest elements in the Earth's band and has an boilerplate affluence of about 5 μg/kg. It is the atomic acknowledging metal. It occurs in some nickel and chestnut ores forth with some built-in deposits, mostly in South Africa, which accounts for 80% of the apple production.
As a affiliate of the platinum accumulation of elements, as able-bodied as of the accumulation 10 of the alternate table of elements, platinum is about non-reactive. It exhibits a arresting attrition to corrosion, even at top temperatures, and as such is advised a blue-blooded metal. As a result, platinum is generally begin chemically absolute as built-in platinum. Because it occurs by itself in the alluvial bank of assorted rivers, it was aboriginal acclimated by pre-Columbian South American citizenry to aftermath artifacts. It was referenced in European writings as aboriginal as 16th century, but it was not until Antonio de Ulloa appear a address on a new metal of Colombian agent in 1748 that it became advised by scientists.
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