59   Pr   140.907650 Praseodymium

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Name: Praseodymium
Symbol: Pr
Atomic Number: 59
AtomicWeight: 140.907650
Family: rare earth elements
CAS RN: 7440-10-0
Description: A silvery white, soft, malleable, and ductile metal
State (25 ° C): Solid
Oxidation states: +3
Valence Electrons: 4f³6s²

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