Praseodymium
Physical properties
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Physical state @ 20°C:
Solid
Color:
Silvery white, yellowish tinge
Molecular weight (g/mol):
140.90765 [1]
Melting point (°C):
931 [1]
Boiling point (°C):
3520 [1]
Density (g/cm
3
):
α-form: 6.475 [4]
β-form: 6.64 [4]
Molar volume (cm
3
):
20.80 (20 °C) [2]
Elastic properties:
Young's modulus (GPa):
Rigidity modulus (GPa):
Bulk modulus (GPa):
Poisson ratio:
37.3 [2]
14.8 [2]
28.8 [2]
0.281 [2]