main category

 

subordinate category

SEARCH


contents

Pb   -   Lead (82/207.2)

Material List
  • Naturally occurring isotopes: 208 206 207 204
  • Density: 11.342 (293.15K) g/cm3
  • Melting point: 327.502 oC
  • Boiling point: 1740 oC
  • Latent heat of fusion: 23.06 J/g
  • Specific heat: 0.128 J/g/K (at room temp.)
  • Coefficient of lineal thermal expansion: 2.83E-05 cm/cm/K (at room temp.)
  • Thermal conductivity: 3.53E-01 W/cm/K (at room temp.)
  • Electrical resistivity: 2.07E-05 hm-cm (at room temp.)
  • lonization potential (1st): 7.416 eV
  • Electronic work function Φ: 4.25
  • Oxidation potentials: Pb → Pb2+ + 2e = 0.126 V
  • Chemical valence: 2 4
  • Electrochemical equivalents: 3.865 (Pb2+) g/amp-hr
  • lonic radius: 1.19 angstrom
  • Valence electron potential: 24.2 -eV
  • Principal quantum number: 6
  • Principal electron shells: K L M N O P
  • Electronic configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 6s2 6p2
  • Valence electrons: 6s2 6p2
  • Crystal form: FCC
  • Half life:
  • Cross section σ: 180 ± 10 m barns
  • Vapor pressure: 4.21E-07 Pa (at melting point)