Barium

Barium: physical properties

Temperatures

• Melting point: 1000 [or 727 °C (1341 °F)] K
• Boiling point: 2143 [or 1870 °C (3398 °F)] K (liquid range: 1143  K
• Critical temperature: no data  K
• Superconduction temperature: no data  K

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Expansion and conduction properties

• Thermal conductivity: 18  W m^-1 K^-1
• Coefficient of linear thermal expansion: 20.6  x 10^-6 K^-1

Bulk properties

• Density of solid: 3510  kg m^-3
• Molar volume: 38.16  cm³
• Velocity of sound: 1620  m s^-1

Elastic properties

• Youngs modulus: 13  GPa
• Rigidity modulus: 4.9  GPa
• Bulk modulus: 9.6  GPa
• Poissons ratio: no data  (no units)

Hardnesses

• Mineral hardness: 1.25  (no units)
• Brinell hardness: no data  MN m^-2
• Vickers hardness: no data  MN m^-2

Electrical properties

• Electrical resistivity: 35  10^-8 Ω m; or mΩ cm

Optical properties

• Reflectivity: no data  %
• Refractive index: no data  (no units)

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Barium	Baryum
Barium	Barium
Bario	Bario
Barium	Bário