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Technetium

Details of the Chemical Element Technetium
Element NameTechnetium
SymbolTc
Atomic Number43
GroupTransition Metal
Crystal StructureHexagonal
Atomic Mass-97.9072
Electronic Configuration2,8,18,13,2
Orbital Configuration[Kr] 4d5 5s2
Valency0,2,4,5,6,7
Melting Point2172°C
Boiling Point4877°C
Electo-negativity1.9
Covalent Radius1.27 Å
Last updated on 12 April 2021 06:26:31
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