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Sunday, September 15, 2013

Elements: the Platinum Edition

Elements The atomic matter 78 Edition Many people know that atomic number 78 is the rarest and closely expensive precious coat on Earth. But something they whitethorn not know is that when beingness War II began, platinum was declared a strategical metal by the U.S. organization and its use was banned in non-military purposes. So even if you could generate platinum jewelry, you couldnt procure it. However, platinum is used in many applications, not unspoiled jewelry, although that is one of its most popular applications. Platinum is used in dentistry and surgical instrument, science lab tools, and other inwrought implements. The most common application of platinum is its use as a catalyst in chemical reactions, most importantly in the engines of cars. Platinum highly utilizable and interesting in ways that many people passel wholly begin to imagine. Platinum was predicted by the Italian-French physician Julius Caesar Scaliger in 1557. The first definite denudation of the element was found in Rio Pinto, Colombia, in its alluvial deposits. The baring of platinum is credited to the Spaniard Antonio de Ulloa; in 1748, he published a report of his voyages in Colombia in 1735. The name platinum comes from the Spanish word platina, meaning olive-sized silver:.
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When the element was discovered, because its appearance was so akin to silver, the Spanish called platinum platina del Pinto. Platinum (Pt) , atomic number 78, is located in group 10, period 6, and has an atomic luck of 195.09 amu. Platinums electron var. is [Xe]4f145d96s1. Platinum has a density of 21.45 g/cm3. Its tur n top is 3,827 °C and its break up tip i! s 1,769 °C. Platinums high melting point makes it an vital component of laboratory equipment. Platinum is a solidness at room temperature, and is silvery-white, lustrous, ductile, and malleable as a virgin metal. Natural platinum is generally non-reactive and non-radioactive although some isotopes of platinum brook weak traces of radioactivity. Platinum has 13 isotopes, but only 6 naturally...If you want to get a full essay, allege it on our website: OrderCustomPaper.com

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