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Actinium

Details of the Chemical Element Actinium
Element NameActinium
SymbolAc
Atomic Number89
GroupTransition Metal
Crystal StructureCubic: Face centered
Atomic Mass-227.0278
Electronic Configuration2,8,18,32,18,9,2
Orbital Configuration[Rn] 6d1 7s2
Valency--
Melting Point1050°C
Boiling Point3200°C (±300°C)
Electo-negativity1.1
Covalent Radius--
Last updated on 12 April 2021 06:26:31
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