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Name Platinum
Atomic Number 78
Atomic Weight 195.084
Symbol Pt
Melting Point ( °C ) 1772.0
Boiling Point ( °C ) 3827.0
Density (g/cm3) 21.45
Earth crust (%) 0.003
Discovery (Year) 1735
Group 10
Electron configuration [Xe] 4f14 5d9 6s1
Ionization energy (eV) 205.3

Platinum is one the rarest metals on earth. It is a grayish white and is used in jewelry. It has six naturally occurring isotopes. Platinum is a highly valued and is very precious.


Platinum was discovered by Antonio de Ulloa in 1735.


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