Platinum chemical element or what is known in some people as "white gold" is a precious metal color gray - white, The origin of the word platinum to a Spanish word, namely, (Plata) and means (small silver), platinum is stronger than iron metal and has a flexible gold. Has the symbol Pt in the periodic table atomic number 78 and atomic weight of 195.09 and last orbit 5d9 and melting temperature 1768.3C and a boiling point of 3825C.
Platinum is one of the rarest and most precious metals in the world. Discovered for the first time in 1557 AD year, by the Italian Julius Caesar Scaliger world, and in 1750 AD was discovered large quantities of platinum, and that's when the Spaniards found deposits of crude platinum in Latin America, but it was cheap for the lack of knowledge of the people for its value, but began its value to rise when spread to the world and become aware and knowledgeable Bastkhaddamath and benefits. There is no platinum in nature alone, but there are mixed with five other metals which palladium, osmium, iridium, ruthenium, rhodium, and so at different rates, and called on the name of this community six metals platinum group metals name. In some cases, find the blocks of natural platinum, in the year 1843 AD was found in Russia on the block weighs 9.5 kg of natural platinum.
