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Actinium
Atomic class Actinide  +
Atomic mass 227  +
Atomic number 89  +
Atomic symbol Ac  +
Boiling point 3,471.15 K (3,198 °C, 5,788.4 °F, 6,248.07 °R)  +
Density 10.07 +
Melting point 1,323.15 K (1,050 °C, 1,922 °F, 2,381.67 °R)  +
Categories Elements  +
Modification dateThis property is a special property in this wiki. 1 June 2009 23:28:57  +
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