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Sr   -   Strontium (38/87.62)

Material List
  • Naturally occurring isotopes: 88 86 87 84
  • Density: 2.54 (293.15K) g/cm3
  • Melting point: 769 oC
  • Boiling point: 1384 oC
  • Latent heat of fusion: 105.1 J/g
  • Specific heat: 0.3 J/g/K (at room temp.)
  • Coefficient of lineal thermal expansion: 2.10E-05 cm/cm/K (at room temp.)
  • Thermal conductivity: 3.54E-01 W/cm/K (at room temp.)
  • Electrical resistivity: 2.30E-05 hm-cm (at room temp.)
  • lonization potential (1st): 5.695 eV
  • Electronic work function Φ: 2.59
  • Oxidation potentials: Sr → Sr2+ + 2e = 2.888 V
  • Chemical valence: 2
  • Electrochemical equivalents: 1.635 g/amp-hr
  • lonic radius: 1.12 (Sr2+) angstrom
  • Valence electron potential: 25.7 -eV
  • Principal quantum number: 5
  • Principal electron shells: K L M N O
  • Electronic configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 5s2
  • Valence electrons: 5s2
  • Crystal form: FCC
  • Half life:
  • Cross section σ: 1.21 ± 0.06 barns
  • Vapor pressure: 2.46E+02 Pa (at melting point)