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Platinum

Part one of term paper
, symbol Pt, is a relatively rare, chemically inert metallic element that is more expensive than gold. The atomic number of is 78. is one of the transition elements in group 10 of the periodic table. is the most important of the group of elements called the metals, also included in this group is the metals: ruthenium, rhodium, palladium ...

Part two of term paper
... Scaliger, discovered platinum in 1557, but fairly large quantities were not discovered until around 1750, when the Spaniards discovered it in Peru. They named the metal platinum, deriving from their word plata, meaning silver. The ore, called native platinum, usually occurs in beds of gold-bearing sand. Miners call it white gold. Native platinum contains from 60 to 85 percent pure platinum. The small, irregular grains that contain the ore also contain other rare metals, such as iridium, osmium, ...

Word count: 640 | Approximate pages: 3

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