88   Ra   226.000000 Radium

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Name: Radium
Symbol: Ra
Atomic Number: 88
AtomicWeight: 226.000000
Family: alkaline metals
CAS RN: 7440-14-4
Description: An alkaline earth metal, metallic white but tarnishes black upon exposure to air
State (25 ° C): Solid
Oxidation states: +2
Valence Electrons: 7s²

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