Platinum

                     PLATINUM                   http://periodictable.com/Samples/078.6/s9s.JPG HISTORY: It was discovered by So uth American peoples who produces artifacts of a white  gold-platinum alloy. In 1783 French chemist Francoise Chabaneaus discovered and patented a method of producing workable platinum. But its quality was still very inconsient from batch to batch. The element name comes from the Spanish word ‘platina’,meaning:little silver. APPARENCE ,CHARACT ERISTICS AND  PROPERTIES : Platinum is non-toxic metal. Platinum is a precious metal; soft, silvery-white, and dense with a beautiful lustrous sheen It is one of the of the six platinum group metals consisting of platinum, palladium, rhodium, osmium, iridium and ruthenium.    Platinum is malleable and ductile and has a high melting point. It does not oxidize in air even at high...