Technetium
Symbol:
Tc
Atomic Number: 43
Atomic Weight: 98 (most
stable)
Boiling Point: 4538 K
Melting Point: 2477 K
Density at 300K: 11.5 g/cm
3
Covalent radius: 1.27
Atomic radius: 1.95
Atomic
volume: 8.5 cm
3/mol
First
ionization potental: 7.28 V
Specific heat capacity: 0.24 Jg
-1K
-1
Thermal conductivity: 50.6 Wm
-1K
-1
Electrical conductivity: 0.001 10
6Ω
-1m
-1
Heat of fusion: 23 kJ/mol
Heat of vaporization: 502.0 kJ/mol
Electronegativity: 1.9 (Pauling's)