Ac

Actinium

Z 89 227.0 g/molActinide Radioactive

Overview Atomic Properties Thermodynamics Electromagnetism Isotopes

Phase

Temperature

273.2 K(0.0 °C32.0 °F)

Pressure

101,325 Pa(1 atm1.013 bar760 mmHg)

Density (STP)

10.07 g/cm³

Current Phase

Solid

Melting Point

1,324.0 K (1,050.9 °C1,923.5 °F)

Boiling Point

3,473.0 K (3,199.9 °C5,791.7 °F)

Heating Curve

Added Heat

0.0kJ/moleV

Current Phase

Solid

Temperature

0.0 K(-273.1 °C-459.7 °F)

Heat of Fusion

14.0 kJ/mol0.1451 eV

Heat of Vaporization

400.0 kJ/mol4.1457 eV

Specific Heat

0.1198 J/(g·K)

Thermal Conductivity

12.0 W/(m·K)