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Elemental Periodic Table


Atomic number: 59
Atomic weight: 140.90765
Symbol: Pr
Group number: (lanthanide)
Electronic configuration: [Xe].4f3.6s2

Physical data

Standard state: solid at 298 K
Colour: silvery white, yellowish tinge
Density of solid at ambient temperature/kg m-3: 6640
Molar volume/cm3: 20.8

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