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Periodic Table - Elements - Tantalum

Symbol Ta
Atomic Number 73
Relative Atomic Mass
12C = 12.0000
180.9479
Atomic Radius
pm
143
First Ionisation Energy
kJ mol-1
761
Electronegativity 1.5
Density
kg m-3
16654 [293 K]
15000 [l., m.p.]
Molar Volume
cm3
10.87
Thermal Conductivity
W m-1 K-1
57.5 [300 K]
Melting Point
K
3269
Boiling Point
K
5698 ± 100
Number of Isotopes 28
Ground State Electron
Configuration
[Xe]4f145d36s2
Term Symbol 4F3/2
Discovery Discovered by A.G. Ekeberg (Uppsala, Sweden) in 1802
Name Derived From Greek Tantalos from Greek mythology
Name in Other
Languages
 Croatian Tantal
 Danish tantal
 Dutch tantaal
 Finnish tantaali
 French tantale
 German Tantal
 Italian tantalio
 Norwegian tantal
 Portuguesetântalo
 Spanish tántalo
 Swedish tantal
Peter van der Krogt's Element Multidict - element name translations in over 48 langauges

 
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Page compiled: Wed Sep 05 18:37:56 GMT+01:00 2001
 
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