Promethium

Physical properties

Physical state @ 20°C: Solid
Color: Metallic
Molecular weight (g/mol): 146.9151
Melting point (°C): List of melting points 1042 [1]
Boiling point (°C): List of boiling points 3000 (Approximately) [1]
Elastic properties:
Young's modulus (GPa):
Rigidity modulus (GPa):
Bulk modulus (GPa):
Poisson ratio:
46 [2]
18 [2]
33 [2]
0.280 [2]