Pa

Protactinium

Z 91 231.036 g/molActinide Radioactive

Overview Atomic Properties Thermodynamics Electromagnetism Isotopes

Phase

Temperature

273.2 K(0.0 °C32.0 °F)

Density (STP)

15.43 g/cm³

Current Phase

Solid

Melting Point

1,841.0 K (1,567.9 °C2,854.1 °F)

Boiling Point

4,300.0 K (4,026.9 °C7,280.3 °F)

Heating Curve

Added Heat

0.0kJ/moleV

Current Phase

Solid

Temperature

0.0 K(-273.1 °C-459.7 °F)

Heat of Fusion

12.34 kJ/mol0.1279 eV

Heat of Vaporization

481.0 kJ/mol4.9852 eV

Specific Heat

0.12 J/(g·K)

Thermal Conductivity

47.0 W/(m·K)