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Actinium (Ac) Element

Basic Information

Name: Actinium
Symbol: Ac
Atomic Number: 89
Atomic Mass: (227.0) amu
Melting Point: 1050.0 ??C (1323.15 ??K, 1922.0 ??F)
Boiling Point: 3200.0 ??C (3473.15 ??K, 5792.0 ??F)

Number of Protons/Electrons: 89
Number of Neutrons: 138
Classification: Rare Earth
Crystal Structubre: Cubic
Density @ 293 K: 10.07 g/cm3
Color: Silvery

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