63   Eu   151.964000 Europium

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Name: Europium
Symbol: Eu
Atomic Number: 63
AtomicWeight: 151.964000
Family: rare earth elements
CAS RN: 7440-53-1
Description: A silvery white, most reactive rare earth metal
State (25 ° C): Solid
Oxidation states: +2,+3
Valence Electrons: 4f⁷6s²

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