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Actinium

Symbol: Ac
Atomic Mass/Weight: 227.0278 AMU
Atomic Number: 89
Oxidation State: +3
Melting Point: 1323 K
Boiling Point: 3473 K
# of Isotopes: 2
Electron Configuration: [Rn] 6d1 7s2
Lewis Dot Diagram:
Actinium - Lewis Dot Diagram