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Thorium

Details of the Chemical Element Thorium
Element NameThorium
SymbolTh
Atomic Number90
GroupRare Earth
Crystal StructureCubic: Face centered
Atomic Mass232.0381
Electronic Configuration2,8,18,32,18,10,2
Orbital Configuration[Rn] 6d2 7s2
Valency4
Melting Point1750°C
Boiling Point4000°C
Electo-negativity1.3
Covalent Radius1.65 Å
Last updated on 12 April 2021 06:26:31
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