Barium
Physical properties
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Physical state @ 20°C:
Solid [5]
Color:
Gray [5]
Odor:
Odorless [5]
Molecular weight (g/mol):
137.327(7) [2]
Melting point (°C):
727 [4]
Boiling point (°C):
1897 [4]
Density (g/cm
3
):
3.59 [2]
Molar volume (cm
3
):
39.25 (20 °C) [3]
Elastic properties:
Young's modulus (GPa):
Rigidity modulus (GPa):
Bulk modulus (GPa):
Poisson ratio:
12.9 [3]
4.86 [3]
10.3 [3]
0.28 [3]
Solubility:
Water: Decomposition (20 °C) [5]