Sodium

Sodium: physical properties

Temperatures

• Melting point: 370.87 [or 97.72 °C (207.9 °F)] K
• Boiling point: 1156 [or 883 °C (1621 °F)] K (liquid range: 785.13  K
• Critical temperature: 2573 [or 2300 °C (4172 °F)] K
• Superconduction temperature: no data  K

• Animate the above image by quicktime movie
• Animate the above image by animated gif

Expansion and conduction properties

• Thermal conductivity: 140  W m^-1 K^-1
• Coefficient of linear thermal expansion: 71  x 10^-6 K^-1

Bulk properties

• Density of solid: 968  kg m^-3
• Molar volume: 23.78  cm³
• Velocity of sound: 3200  m s^-1

Elastic properties

• Youngs modulus: 10  GPa
• Rigidity modulus: 3.3  GPa
• Bulk modulus: 6.3  GPa
• Poissons ratio: no data  (no units)

Hardnesses

• Mineral hardness: 0.5  (no units)
• Brinell hardness: 0.69  MN m^-2
• Vickers hardness: no data  MN m^-2

Electrical properties

• Electrical resistivity: 4.7  10^-8 Ω m; or mΩ cm

Optical properties

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

WebElements Shop

WebElements now has an online shop at which you can buy periodic table posters, mugs, T-shirts, games, molecular models, and more.

Sodium	Sodium
Natrium	Natrium
Sodio	Sodio
Natrium	Sódio