Ra
Radium
Z 88 226.0 g/molAlkaline Earth Metal Radioactive
Phase
Temperature
273.2 K(0.0 °C32.0 °F)
Pressure
101,325 Pa(1 atm1.013 bar760 mmHg)
Density (STP)
5.5 g/cm³
Current Phase
Solid
Melting Point
973.0 K (699.9 °C1,291.7 °F)
Boiling Point
2,010.0 K (1,736.9 °C3,158.3 °F)
Triple Point
973.0 K (699.9 °C1,291.7 °F)35.0826 Pa (3.46e-4 atm3.51e-4 bar0.2631 mmHg)
Heating Curve
Added Heat
0.0kJ/moleV
Current Phase
Solid
Temperature
0.0 K(-273.1 °C-459.7 °F)
Heat of Fusion
8.5 kJ/mol0.0881 eV
Heat of Vaporization
113.0 kJ/mol1.1712 eV
Specific Heat
---
Thermal Conductivity
18.6 W/(m·K)