PERIODIC TABLE
Technetium
Atomic No. 43
Tc
Technetium
About Technetium
As Technetium is a radioactive element without any stable isotopes, Lorad Chemical does not manufacture any compounds that incorporate this element.
Properties
- Atomic Number
- 43
- Atomic Symbol
- Tc
- Atomic Mass
- 98
- CAS No.
- 7440-26-8
- Density
- 11.5 g/cm³
- Series
- transition metal
- Melting Point
- 2,157°C
- Boiling Point
- 4,265°C
- Thermal Conductivity
- 0.51 W/cm °C
- Heat of Fusion
- 23 kJ/mol
- Heat of Vaporization
- 550 kJ/mol
- Electronegativity
- 1.9 pauling
- Crystal Structure
- Hexagonal
- Electrical Conductivity
- 5×106 S/m
- Resistivity
- 200 nΩ·m at 20°C
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