The periodic table/Platinum
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Discovery
[edit | edit source]Platinum was discovered by astronomers Antonio de Ulloa and Don Jorge Juan y Santacilia in 1735. However, the first European reference to platinum appears in 1557 in the writings of the Italian humanist, Julius Caesar Scaliger (1484-1558). Charles Wood independently isolated the element in 1741. The alchemical symbol for platinum was made by joining the symbols of silver and gold.
Quick Facts
[edit | edit source]Name: platinum atom
Symbol: Pt
Atomic Mass: 195.08 amu
Classification: Transition Metals
Protons: 78
Electrons: 78
Neutrons: 117
Colour: silvery-white
Discovery in: 1735
Density: 21.45 g/cm3
Crystal Structure: cubic
Melting Point: 1780 °C (2041 K)
Boiling Point: 3825 °C (4098 K)
Common Uses: used in catalytic converters for automobiles, coating missile nose cones, jet engine fuel nozzles, medical treatments of cancer
See also
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