Protactinium
91
Pa
Protactinium
As Protactinium is a radioactive element without any stable isotopes, Lorad Chemical does not manufacture any compounds that incorporate this element.
Properties
Atomic Number:
91
Atomic Symbol:
Pa
Atomic Mass:
231.0359u
CAS No:
7440-13-3
Density:
15.37 g/cm³
Series:
Actinoid
Melting Point:
1,572°C
Boiling Point:
4,000°C
Thermal Conductivity:
0.47 W/cm °C
Heat of Fusion:
15 kJ/mol
Heat of Vaporization:
470 kJ/mol
Electronegativity:
1.5 pauling
Crystal Structure:
Tetragonal
Electric Conductivity:
5.6×106 S/m
| Item # | Product | Formula | CAS # |
|---|---|---|---|
| We do not currently manufacture any products that incorporate this element. | |||