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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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