PERIODIC TABLE

Tantalum

Atomic No. 73 Ta Tantalum

About Tantalum

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Properties

Atomic Number
73
Atomic Symbol
Ta
Atomic Mass
180.9479
CAS No.
7440-25-7
Density
16.65 g/cm³
Series
transition metal
Melting Point
3,017°C
Boiling Point
5,458°C
Thermal Conductivity
0.57 W/cm °C
Heat of Fusion
36 kJ/mol
Heat of Vaporization
736 kJ/mol
Electronegativity
1.5 pauling
Crystal Structure
Cubic
Electrical Conductivity
7.7×106 S/m

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