main category

 

subordinate category

SEARCH


contents

Na   -   Sodium (11/22.9898)

Material List
  • Naturally occurring isotopes: 23
  • Density: 0.9712 (293.15K) g/cm3
  • Melting point: 97.81 ± 0.03 oC
  • Boiling point: 882.9 oC
  • Latent heat of fusion: 113 J/g
  • Specific heat: 1.23 J/g/K (at room temp.)
  • Coefficient of lineal thermal expansion: 7.20E-05 cm/cm/K (at room temp.)
  • Thermal conductivity: 1.42E+00 W/cm/K (at room temp.)
  • Electrical resistivity: 4.33E-06 hm-cm (at room temp.)
  • lonization potential (1st): 5.139 eV
  • Electronic work function Φ: 2.75
  • Oxidation potentials: Na → Na+ + e = 2.714 V
  • Chemical valence: 1
  • Electrochemical equivalents: 0.85775 g/amp-hr
  • lonic radius: 1.02 (Na+) angstrom
  • Valence electron potential: 14.1 -eV
  • Principal quantum number: 3
  • Principal electron shells: K L M
  • Electronic configuration: 1s2 2s2 2p6 3s1
  • Valence electrons: 3s1
  • Crystal form: BCC
  • Half life:
  • Cross section σ: 534 ± 5 m barns
  • Vapor pressure: 1.43E-05 Pa (at melting point)