Platinum
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The Simple English Wiktionary has a definition for: platinum. |
Platinum is a soft, heavy, white metal. It is a precious metal and not a common metal. It usually costs more than gold In chemistry, platinum is element number 78, and its atoms have an atomic weight of 195 a.m.u.. The symbol for platinum is Pt, from Spanish platina meaning "little silver".
Platinum is very malleable and ductile, which means it can be hammered into thin sheets and it can be pulled into wire. Platinum is very stable. Acids do not affect platinum.
The most common use of Platinum is in a vehicle catalytic converter.
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